Boise Canyon Stonefly Trucker Hat

by @hackle_boisesouth

Fall light pouring down the canyon.

A mid-century travel poster scene of a basalt canyon, river and stonefly, in sagebrush green, basalt grey and bone white, for days on the water.

A stonefly rests on contour lines below a basalt canyon, where a turquoise river runs down from Anderson Ranch Dam in autumn. Sagebrush green benches, basalt grey rims and a bone white sky carry the scene, with aspen gold trees along the bank.

  • Turquoise river winding through basalt grey cliffs
  • Stonefly resting on charcoal contour lines
  • Anderson Ranch Dam at the canyon head
  • Aspen gold trees for autumn
  • Mid-century travel poster in flat colour

The cap

One design, four caps. The front panel is what the paint or the dye sits on, so it changes the hat.

  • A blank Trucker cap

    Trucker

    The house cap — structured mid profile, foam-and-mesh back, snapback.

    Specs
    Profile
    Mid profile
    Build
    6-panel · Structured — buckram behind the front
    Crown
    3½ in (8.9 cm)
    Visor
    Pre-curved, 2¾ in (7 cm)
    Closure
    Snapback
    Adjusts to
    21½–24 in (54.5–61 cm)
    Airbrushed on
    Natural cotton twill
    Sublimated on
    White polyester foam
  • A blank Rope cap

    Rope cap

    Structured five-panel with a near-flat brim and a cord across it.

    Specs
    Profile
    Mid-high profile
    Build
    5-panel · Structured
    Crown
    4 in (10.2 cm)
    Visor
    Near-flat, 2⅞ in (7.3 cm), contrast rope
    Closure
    Snapback
    Adjusts to
    21½–23¾ in (54.5–60.5 cm)
    Airbrushed on
    Stone cotton twill
    Sublimated on
    White polyester twill
  • A blank Dad hat

    Dad hat

    Soft, low and unstructured — washed cotton with a strap back.

    Specs
    Profile
    Low profile
    Build
    6-panel · Unstructured — soft front
    Crown
    3¼ in (8.3 cm)
    Visor
    Curved, 2¾ in (7 cm)
    Closure
    Strap back, brass buckle
    Adjusts to
    21–23½ in (53.5–59.5 cm)
    Airbrushed on
    Washed khaki cotton
    Sublimated on
    White polyester twill
  • A blank Five-panel camp cap

    Five-panel camp

    Flat brim, low crown, packs flat in a vest pocket.

    Specs
    Profile
    Low profile
    Build
    5-panel · Unstructured
    Crown
    3¼ in (8.3 cm)
    Visor
    Flat, 2½ in (6.4 cm)
    Closure
    Strap back, side-release clip
    Adjusts to
    21½–23½ in (54.5–59.5 cm)
    Airbrushed on
    Field olive nylon-cotton
    Sublimated on
    White polyester

Fit

A cloth tape measure around the crown of a blank cap
CapProfileCrown heightVisorAdjusts to
TruckerMid profile3½ in (8.9 cm)Pre-curved, 2¾ in (7 cm)21½–24 in (54.5–61 cm)
Rope capMid-high profile4 in (10.2 cm)Near-flat, 2⅞ in (7.3 cm), contrast rope21½–23¾ in (54.5–60.5 cm)
Dad hatLow profile3¼ in (8.3 cm)Curved, 2¾ in (7 cm)21–23½ in (53.5–59.5 cm)
Five-panel campLow profile3¼ in (8.3 cm)Flat, 2½ in (6.4 cm)21½–23½ in (54.5–59.5 cm)

One size per cap. Run a tape around your head just above the ears, keeping it level — anything inside the range above will close on it.

Two finishes

The same design, made two ways. Pick one in the panel; the cap and the quantity are yours to choose too.

  • An airbrush misting pigment through a stencil onto a cap panel

    Hand airbrushed

    $85 for one hat, on a trucker

    Painted to order — would ship in about 2 weeks

    How it is made
    How it is made
    Sprayed by hand through this design's own stencils, one layer at a time, each left to dry before the next mask goes down.
    How it looks
    Soft gradients and hand-cut stencil edges. Every cap is a little different.
    What it sits on
    On a natural cotton twill front.
    Durability and care
    Water-based paint, heat set and sealed. It takes rain and a season on a boat; spot clean with cool water, never a washing machine.
  • A sublimation-printed cap panel peeled from the transfer sheet

    Sublimation printed

    $32 for one hat, on a trucker

    Printed to order — would ship in 5–7 business days

    How it is made
    How it is made
    The design is printed in dye onto transfer paper, then pressed with heat so the dye soaks into the polyester fibres.
    How it looks
    Full colour edge to edge, and identical every time.
    What it sits on
    On a white polyester foam front — sublimation only takes on white polyester.
    Durability and care
    The dye is in the fibre, not on it, so it will not crack or peel. Gentle wash, air dry.

The artwork

A turquoise river bends out of a pale lake behind Anderson Ranch Dam and cuts down through stacked basalt. The benches go soft sagebrush green, and the trees on the far bank have turned gold. Down in the corner, a stonefly sits on contour lines with its wings folded flat.

Made for the South Fork Boise River, Idaho. Wear it to the put-in in October and to the diner after. From across the room it reads like a map of a good day; up close, people find the bug.

Charcoal line work is where this one lives or dies. Keep the cliff strata and contour lines thin and steady, and lay them down only after every colour is in, so the edges stay crisp.

A cap in tissue in an open kraft box

What arrives

  • The hat
  • A care card
  • On a hand airbrushed hat, a numbered tag naming the water it was painted from, when the design names one
A cap being spot-cleaned with a soft brush

Looking after it

Hand airbrushed

  • Spot clean with cool water and a soft brush. Never a washing machine.
  • Keep it out of a hot car for long stretches — heat-set paint is tough, but a dashboard in July is not a test worth running.
  • Reshape the brim by hand while damp.

Sublimation printed

  • Spot clean, or gently hand wash in cool water. No bleach.
  • Air dry. Do not iron the print.
  • Reshape the brim by hand while damp.
  • The dye is in the fibre, so the print will not crack or peel.

Details

Airbrush palette

Colours
bone white, dry-grass tan, sagebrush green, basalt grey, river turquoise, aspen gold, charcoal

Details

Subject
stonefly over a river canyon
Style
mid-century travel poster

Make it yourself

A hat-painting bench with a blank cap, stencils and an airbrush

AdvancedAbout 4½ hours at the bench, plus curing9 layersYou'll need an airbrush, a cap jig and 7 colours

The palette

  • Bone white
  • Dry-grass tan
  • Sagebrush green
  • Basalt grey
  • River turquoise
  • Aspen gold
  • Charcoal

The layers

9 layers, in this order. Each mask comes off and the paint has to dry before the next one goes down.

  1. Sky and lake
  2. Hills
  3. Slopes
  4. Cliffs
  5. River
  6. Trees
  7. Stonefly
  8. Line work
  9. Highlights

The kit's stencil set is cut from these layers; with the cutter (12 hats and up) you cut your own from this design's layer files.

How to mix each colour

  • Bone white

    Opaque white from the bottle; two thin coats cover better than one thick one

  • Dry-grass tan

    3 parts white, 2 parts yellow, 1 part brown

  • Sagebrush green

    1 part yellow to 1 part blue; more yellow for a warm green, more blue for a cool one

  • Basalt grey

    4 parts white, 1 part black; a drop of blue for cool grey, a drop of brown for warm stone

  • River turquoise

    1 part blue, 1 part green, 2 parts white; a drop of yellow if it looks too cold

  • Aspen gold

    3 parts yellow, 1 part brown, a touch of white so it stays opaque

  • Charcoal

    1 part white to 3 parts black, a drop of blue

Setup

  • Ventilation or a spray booth. Water-based paint still throws a fine mist, and you will be breathing it for hours.
  • A half-mask respirator rated for paint mists. A dust mask is not one.
  • A compressor with a moisture trap, set and tested on a card before you start: wet air spits water into the paint.
  • Reducer and a cleaning pot within reach, so a clog is a ten-second fix instead of a ruined panel.
  • Spray a test card for every colour before it touches the cap. Colour reads differently wet, dry and on twill.

Prep

  • Lint-roll the front panel. Every fibre left on it prints as a speck in the paint.
  • Mask the mesh, any seams you want clean and the whole visor, underside included, with low-tack tape and paper.
  • Stretch the crown over the cap jig so the front panel is taut and curved the way it will be worn. Spraying a slack panel flat distorts the design when it is worn.
  • Spray one light coat of transparent base so the colour sits on the fabric instead of soaking into it.

Layer by layer

  1. 1 · Sky and lake — 0.5 mm · 25–30 PSI

    bone white — the pale sky and the still lake held behind the dam

    Mask None on the panel itself: the mesh and the visor are already masked from the prep.

    Colour Bone white — Opaque white from the bottle; two thin coats cover better than one thick one

    Needle
    0.5 mm (a 0.35 mm works, it just takes longer)
    Pressure
    25–30 PSI
    Distance
    6–8 in from the panel
    Passes
    3–4 light passes, building the colour
    Dry
    10 minutes, or 60–90 seconds with a heat gun on low, before the next mask goes down

    Tip Fade wet to dry and never lay one heavy coat: twill wicks paint sideways and the edge blooms.

  2. 2 · Hills — 0.35 mm · 20–25 PSI

    dry-grass tan — the far rolling hills and the canyon floor

    Mask Lay this layer's mylar stencil and burnish the edges flat with your thumbnail.

    Colour Dry-grass tan — 3 parts white, 2 parts yellow, 1 part brown

    Needle
    0.35 mm
    Pressure
    20–25 PSI
    Distance
    4–6 in from the panel
    Passes
    2–3 passes
    Dry
    10 minutes before lifting the stencil

    Tip Spray away from the stencil edge, not into it, so the air does not push paint underneath.

  3. 3 · Slopes — 0.35 mm · 20–25 PSI

    sagebrush green — grassy benches and slopes along both banks

    Mask Lay this layer's mylar stencil and burnish the edges flat with your thumbnail.

    Colour Sagebrush green — 1 part yellow to 1 part blue; more yellow for a warm green, more blue for a cool one

    Needle
    0.35 mm
    Pressure
    20–25 PSI
    Distance
    4–6 in from the panel
    Passes
    2–3 passes
    Dry
    10 minutes before lifting the stencil

    Tip Spray away from the stencil edge, not into it, so the air does not push paint underneath.

  4. 4 · Cliffs — 0.35 mm · 20–25 PSI

    basalt grey — stacked rims, canyon walls and the dam face

    Mask Lay this layer's mylar stencil and burnish the edges flat with your thumbnail.

    Colour Basalt grey — 4 parts white, 1 part black; a drop of blue for cool grey, a drop of brown for warm stone

    Needle
    0.35 mm
    Pressure
    20–25 PSI
    Distance
    4–6 in from the panel
    Passes
    2–3 passes
    Dry
    10 minutes before lifting the stencil

    Tip Spray away from the stencil edge, not into it, so the air does not push paint underneath.

  5. 5 · River — 0.35 mm · 20–25 PSI

    river turquoise — the river winding from the dam down to the foreground

    Mask Lay this layer's mylar stencil and burnish the edges flat with your thumbnail.

    Colour River turquoise — 1 part blue, 1 part green, 2 parts white; a drop of yellow if it looks too cold

    Needle
    0.35 mm
    Pressure
    20–25 PSI
    Distance
    4–6 in from the panel
    Passes
    2–3 passes
    Dry
    10 minutes before lifting the stencil

    Tip Spray away from the stencil edge, not into it, so the air does not push paint underneath.

  6. 6 · Trees — 0.35 mm · 20–25 PSI

    aspen gold — the autumn trees on the right-hand bank

    Mask Lay this layer's mylar stencil and burnish the edges flat with your thumbnail.

    Colour Aspen gold — 3 parts yellow, 1 part brown, a touch of white so it stays opaque

    Needle
    0.35 mm
    Pressure
    20–25 PSI
    Distance
    4–6 in from the panel
    Passes
    2–3 passes
    Dry
    10 minutes before lifting the stencil

    Tip Spray away from the stencil edge, not into it, so the air does not push paint underneath.

  7. 7 · Stonefly — 0.35 mm · 20–25 PSI

    dry-grass tan — the stonefly's body and folded wings in the lower left

    Mask Lay this layer's mylar stencil and burnish the edges flat with your thumbnail.

    Colour Dry-grass tan — 3 parts white, 2 parts yellow, 1 part brown

    Needle
    0.35 mm
    Pressure
    20–25 PSI
    Distance
    4–6 in from the panel
    Passes
    2–3 passes
    Dry
    10 minutes before lifting the stencil

    Tip Spray away from the stencil edge, not into it, so the air does not push paint underneath.

  8. 8 · Line work — 0.3 mm · 18–22 PSI

    charcoal — outlines, cliff strata, contour lines and the stonefly's legs and segments

    Mask The hand-cut subject stencil, inner pieces first, then the outline piece.

    Colour Charcoal — 1 part white to 3 parts black, a drop of blue

    Needle
    0.3 mm
    Pressure
    18–22 PSI
    Distance
    3–4 in from the panel
    Passes
    2–3 passes per tone, light to dark
    Dry
    10 minutes between tones

    Tip Light tones first: a light colour over a dark one needs many coats, a dark one over a light one needs two.

  9. 9 · Highlights — 0.2–0.3 mm · 12–15 PSI

    bone white — glints on the river and the lit edges of the wings

    Mask None: freehand, with a shield card held against any hard edge.

    Colour Bone white — Opaque white from the bottle; two thin coats cover better than one thick one

    Needle
    0.2–0.3 mm
    Pressure
    12–15 PSI
    Distance
    1–2 in from the panel
    Passes
    Freehand, in short controlled strokes
    Dry
    10 minutes, then check it before you cure

    Tip Low pressure, close in and moving: stop the stroke before you release the trigger.

Step by step

  1. Clean the panel, let it dry, and tape off the whole design area. Settings below are a starting point; test each on scrap first.

  2. Sky and lake mask open, bone white, about 20 PSI, 0.5 mm needle, 15–20 cm away. Build in light, even coats.

  3. Hills mask, dry-grass tan, 18–20 PSI, 0.5 mm needle, 12–15 cm. Cover the far hills and canyon floor flat.

  4. Slopes mask, sagebrush green, 18 PSI, 0.4 mm needle, 10–12 cm. Fill the benches along both banks.

  5. Cliffs mask, basalt grey, 18 PSI, 0.4 mm needle, 10–12 cm. Paint the rims, walls and dam face in one flat tone.

  6. River mask, river turquoise, 15–18 PSI, 0.3 mm needle, 8–10 cm. Work slowly around the bends to keep the banks sharp.

  7. Trees mask, aspen gold, 15 PSI, 0.3 mm needle, 8–10 cm. Short passes to keep the crowns rounded.

  8. Stonefly mask, dry-grass tan, 15 PSI, 0.3 mm needle, 6–8 cm. Fill the body and folded wings.

  9. Line work mask, charcoal, 12–15 PSI, 0.2–0.3 mm needle, 5–6 cm. Outlines, strata, contour lines and the bug's legs and segments.

  10. Highlight mask, bone white, 12 PSI, 0.2 mm needle, 5 cm. A few glints on the river and the lit edges of the wings.

  11. Let the paint cure a full 24 hours somewhere dry and dust-free, then seal with two thin coats of clear sealer, drying between coats.

Cure

  • Heat set at 300°F / 150°C. Water-based textile paint is not wash-fast until it is heat set.
  • Cap press: 3–5 minutes with a teflon sheet over the design.
  • Or heat gun: 2–3 minutes per panel, keeping it moving 2–3 in off the fabric so it does not scorch.
  • If you have neither, air cure for 72 hours before the cap touches water.

Seal

  • Two light coats of matte fabric sealer, UV-resistant, from 8–10 in, 15 minutes apart.
  • Leave it 24 hours before the cap is worn.
  • Never a gloss sealer on cotton twill: it shines, cracks along the creases and looks like a sticker.

Clean-up

  • Flush the brush with water, then airbrush cleaner, until it sprays clear.
  • Strip the needle and wipe it toward the tip, never away from it.
  • Never soak the brush body overnight.

Common mistakes

  • Lifting fresh paint with the next mask. Wait until each layer is dry and press masks down gently.
  • Spraying the river too close and flooding the bends. Back off the distance and drop the pressure.
  • Heavy charcoal lines that swallow the cliffs. Use the smallest needle and quick, light passes.
  • Sealing too soon and clouding the colours. Give the full cure time before any clear coat.

Tips

  • Cut the river and cliff masks from the same tracing so the banks meet with no gaps.
  • Let each colour dry to the touch before laying the next mask over it.
  • Keep the charcoal thinned a little more than the fills; fine lines need flow, not coverage.
  • Hold back on highlights. Three or four glints on the water read better than a dozen.
An airbrush, compressor, moisture trap, six colour bottles and a cleaning pot.
The kit

Every kit size

Trucker · kit for 1 hat

$224

Bought separately $249 · you save $25

Includes Starter airbrush set · Cap jig · and 7 more

Every item in this kit · 9 items

Blanks

  • Trucker blank, natural cotton twill front$91

Stencils

  • Pre-cut mylar stencil set for this design — 9 layers$181

Paint & masks

  • Water-based textile airbrush colour, 2 oz — one per colour in this design$422 oz × 7
  • Transparent base and reducer, 4 oz$71
  • Low-tack masking film and ¼ in tape$81
  • Matte fabric sealer, 4 oz$121

Equipment

  • Starter airbrush set — 0.3 mm dual-action gravity brush, mini compressor, braided hose$1291
  • Cap jig — holds the crown taut while you spray$241

Guide

  • Printed step-by-step guide for this designIncluded1

Trucker · kit for 12 hats

$1,073

$89.42 a hat

Bought separately $1,220 · you save $147

Includes Dual-action gravity-feed airbrush · Quiet compressor with tank and moisture trap · Cap jig and two spare crown forms · Tabletop spray booth with exhaust fan · and 11 more

Every item in this kit · 15 items

Blanks

  • Trucker blank, natural cotton twill front$7812

Stencils

  • Desktop stencil cutter, 12 in — the "stencil printer": cuts mylar from this design's layer files$2991
  • Stencil mylar, 7 mil, 12 × 12 in$2210 sheets
  • This design's layer files, every layer (SVG)Included1

Paint & masks

  • Water-based textile airbrush colour, 4 oz — one per colour in this design$984 oz × 7
  • Transparent base and reducer, 16 oz$161
  • Low-tack masking film$181 roll
  • Matte fabric sealer, 16 oz$281

Equipment

  • Dual-action gravity-feed airbrush, 0.3 mm$1351
  • Quiet compressor with tank and moisture trap$1791
  • Cap jig and two spare crown forms$641
  • Tabletop spray booth with exhaust fan$1491
  • Cleaning pot, brushes and a half-mask respirator$991
  • Heat gun for curing$351

Guide

  • Printed step-by-step guide for this designIncluded1

Trucker · kit for 12 × 12 hats

$3,124

$21.69 a hat

Bought separately $3,676 · you save $552

Includes Two dual-action gravity-feed airbrushes · Production airbrush · Twin-piston compressor with tank and two regulators · Production spray booth · and 13 more

Every item in this kit · 17 items

Blanks

  • Trucker blank, natural cotton twill front$756144

Stencils

  • Stencil cutter-plotter, 24 in — the production "stencil printer"$6491
  • Stencil mylar, 7 mil, 12 × 12 in$8550 sheets
  • This design's layer files, every layer (SVG)Included1

Paint & masks

  • Water-based textile airbrush colour, 32 oz — one per colour in this design$33632 oz × 7
  • Transparent base and reducer$491 gal
  • Low-tack masking film$543 rolls
  • Matte fabric sealer$891 gal

Equipment

  • Two dual-action gravity-feed airbrushes, 0.3 mm$2702
  • Production airbrush, 0.5 mm, for base fades$951
  • Twin-piston compressor with tank and two regulators$3291
  • Production spray booth, two fans$2891
  • Three cap jigs$1923
  • Cleaning station, respirator and spare cartridges$1391
  • Cap heat press for curing$2791
  • Drying rack, 24 caps$651

Guide

  • Printed step-by-step guide for this designIncluded1

The creator

An illustrated portrait for Ezra Rasmussen (an illustration, not a photograph)

Ezra Rasmussen

@hackle_boisesouth

South Fork Boise River, Idaho regular. Waits on the Caddis.

  • Blowtorch South Fork Session Lager — a river beer by Ezra Rasmussen
  • October Pink Albert Hackle Stacker — a fly pattern by Ezra Rasmussen

See everything by @hackle_boisesouth