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Front flat lay showing No Bad Trips design

No Bad Trips Vintage Wash T‑Shirt

$40.00

  • Save 38%

Kurt Vile T-Shirt - T-Shirts

Kurt Vile T‑Shirt

$25.00 $40.00

  • Save 29%

Hell Yes I'm Stressed White T-Shirt - T-Shirts

Hell Yes I'm Stressed White T‑Shirt

$25.00 $35.00
Front flat lay showing Results May Vary design

Results May Vary Long Sleeve

$50.00

  • NEW

Killer Acid Tabs Bucket Hat front product view

Tabs Bucket Hat

$35.00
Goose MSG 2025 Concert T-Shirt - T-Shirts

Goose MSG 2025 Concert T‑Shirt

$50.00
Front flat lay showing melting character design

No Bad Trips Black Long Sleeve

$50.00

  • Save 21%

4:20 Cat T-Shirt - T-Shirts

4:20 Cat Black T‑Shirt

$30.00 $38.00

  • NEW

Brown Cat Patch Striped T-Shirt - T-Shirts

Retro Stripe T‑Shirt

$50.00

  • Save 29%

Killer Acid Killer Acid Black Hat front product view

Killer Acid Black Hat

$25.00 $35.00

  • Save 29%

It's Not My Day to Care T-Shirt - T-Shirts

Not My Day to Care T‑Shirt

$25.00 $35.00

  • Save 43%

Black cotton "Too High to Die" t-shirt with a green and grey skeleton in a coffin design.

Too High to Die T‑Shirt

$20.00 $35.00

  • Save 43%

Don't Smoke My Weed T - Shirt - T - Shirts

Don't Smoke My Weed T‑Shirt

$20.00 $35.00

  • Save 29%

Drug Test Black T-Shirt - T-Shirts

Drug Test Black T‑Shirt

$25.00 $35.00

  • Save 34%

Drug Test Tshirt - T-Shirts

Drug Test T‑Shirt

$25.00 $38.00
Killer Acid Heads Speckled Beanie front product view

Heads Speckled Beanie

$35.00
Dusk Til' Dawn Beanie - Beanies

Dusk Til' Dawn Beanie

$45.00
Killer Acid Wavy Cat Scarf front product view

Wavy Cat Scarf

$50.00
Pink and green jacquard-knit stripe t-shirt with wavy light blue "FEEL GOOD" puff-printed chest graphic.

Feel Good Knit T‑Shirt

$50.00
Magic Green Board Shorts - Shorts

Magic Vortex Board Shorts

$50.00
Killer Acid Tabs Black Scarf front product view

Tabs Black Scarf

$50.00

  • Save 43%

Killer Acid Official Basketball T - shirt - T - Shirts

Killer Acid Official Basketball T‑Shirt

$20.00 $35.00
Killer Acid Tabs Orange Scarf front product view

Tabs Orange Scarf

$50.00
Killer Acid 4 Eyed Cat Knit Wool Beanie front product view

4 Eyed Cat Knit Wool Beanie

$45.00

  • Save 22%

Killer Acid 4 Eyed Cat Pom Wool Beanie front product view

4 Eyed Cat Pom Wool Beanie

$35.00 $45.00
Let's Get Weird Socks - Socks

Let's Get Weird Socks

$15.00
Greetings from New Mexico T - Shirt - T - Shirts

Greetings from New Mexico T‑Shirt

$35.00
4 Eyed Cat Socks - Socks

4 Eyed Cat Socks

$15.00

  • Save 63%

Wiz Khalifa T-Shirt - T-Shirts

Wiz Khalifa T‑Shirt

$15.00 $40.00
Keep it Simple Socks - Socks

Keep It Stupid Socks

$15.00
Smoking Bird Socks - Socks

Smoking Bird Socks

$15.00
Doggy Socks - Socks

Doggy Socks

$15.00
Socks flat lay showing mushroom design

Mushroom Guy Socks

$15.00
Get Lost Socks - Socks

Get Lost Socks

$15.00
Purrfect Socks - Socks

Purrfect Socks

$15.00

  • Sold Out

Phish Sphere Concert T-Shirt - T-Shirts

Phish Sphere T‑Shirt

$40.00

  • Sold Out

Grateful Dead Stealie Navy T-Shirt - T-Shirts

Grateful Dead Stealie Navy T‑Shirt

$40.00

  • Sold Out

Grateful Dead Bears Cream T-Shirt - T-Shirts

Grateful Dead Bears Cream T‑Shirt

$40.00

  • Sold Out

Garden of Your Mind T-Shirt - T-Shirts

Garden of Your Mind T‑Shirt

$25.00 $40.00

  • Sold Out

Grateful Dead Stealie Black Long Sleeve - Long Sleeves

Grateful Dead Stealie Black Long Sleeve

$50.00

  • Sold Out

The World Goes On Wash T-Shirt - T-Shirts

World Goes On T‑Shirt

$40.00

  • Sold Out

Los Gatos Hologram Jacket - Jackets

Los Gatos Hologram Jacket

$80.00

  • Sold Out

Cat Fantasy Deluxe Hoodie - Hoodies

Cat Fantasy Deluxe Hoodie

$75.00 $95.00

  • Sold Out

Blue Shroom Polo Shirt, small, with an embossed terry cloth checker pattern and embroidered mushroom.

Blue Shroom Polo Shirt

$70.00

More Collections

Killer Acid Cat House Doormat front product view

CATS! CATS! CATS!

Killer Acid Mushrooms Are My Friends Vintage T-Shirt front product view

Mushroom Friends

Front product shot of beige terry crewneck

On Sale

The full Killer Acid clothing lineup in one place. T-shirts, hoodies, sweaters, jackets, hats, socks, shorts, and more, all featuring original psychedelic artwork. Screen printed on premium fabrics in styles ranging from vintage wash tees to bold jacquard knit sweaters. Sizes S through XXXL. Designed in Santa Cruz, California, shipped worldwide, worn by people who get it.