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A colorful psychedelic illustrated banner or sign featuring cartoon monsters, a house, a tent, and the text 'THE FINEST PSYCHEDELIC GOODS' in large red letters at the bottom.
The Latest at Killer Acid
The Latest at Killer Acid

  • NEW

Killer Acid Third Eye Cat jacquard tee - green knit shirt, blue geo pattern, embroidered cat patch

Third Eye Cat Jacquard T-Shirt

$50.00

  • NEW

Killer Acid Black Skull Pocket tee - speckled black shirt with skull graphic on chest pocket

Black Skull Pocket T-Shirt

$50.00

  • NEW

Killer Acid Jungle Vibes button up - teal & black all-over jungle print short sleeve shirt

Jungle Vibes Button Up

$75.00

  • NEW

Killer Acid Mushroom Stripes button up - blue & pink stripe shirt with mushroom print, chest pocket

Mushroom Stripes Button Up

$75.00

  • NEW

Killer Acid Wild Shroom shorts - teal & pink all-over psychedelic mushroom print, drawstring

Wild Shroom Shorts

$60.00

  • NEW

Killer Acid Mushroom Stripes button up - blue & pink stripe shirt with mushroom print, chest pocket

Mushroom Stripes Pants

$60.00

  • NEW

Killer Acid Glizzy Hat - hot dog character patch on brown 6-panel ripstop cap

Glizzy Hat

$35.00

  • Save $15.00

Killer Acid crew socks collection – eight colorful patterned sock designs laid flat on a purple background

Socks Bundle / Buy 3 Get 1 Free

$45.00 $60.00

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Sale Collection
Sale Collection
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T-Shirts and Short Sleeves
T-Shirts and Short Sleeves
SHOP BAGS
T-Shirts and Short Sleeves
T-Shirts and Short Sleeves

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Killer Acid Institute Deluxe t-shirt in blue and green tie-dye with a circular Institute for Psychedelic Research badge print

Killer Acid Institute Deluxe T‑Shirt

$50.00

  • NEW

Killer Acid Space Case Deluxe t-shirt in green and black tie-dye with a psychedelic scene of aliens, UFOs and volcanoes

Space Case Deluxe T‑Shirt

$50.00
Killer Acid Results May Vary t-shirt in pink acid wash with a melting neon skull chest print

Results May Vary Pink Acid Wash T‑Shirt

$40.00
Killer Acid Cretaceous Cosmonauts T-Shirt front product view

Cretaceous Cosmonauts T‑Shirt

$40.00
Killer Acid Mushrooms Are My Friends Vintage T-Shirt front product view

Mushrooms Are My Friends Vintage T‑Shirt

$40.00
Killer Acid Dog Daze Purple T-Shirt front product view

Dog Daze Purple T‑Shirt

$40.00

  • NEW

Killer Acid A Walk in the Woods t-shirt in sage green with a left-chest print of a hiker, cat and smiling pine tree

A Walk in the Woods T‑Shirt

$40.00
Hella Baked T-Shirt - T-Shirts

Hella Baked T‑Shirt

$35.00
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Hoodies, Jackets and Long Sleeves
Hoodies, Jackets and Long Sleeves
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Hats Beanies and Scarves
Hats Beanies and Scarves

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Killer Acid Cosmic Cat Hat - 3-eyed cat patch on pink-purple tie-dye 5-panel cap

Cosmic Cat Tie Dye Hat

$35.00

  • NEW

Killer Acid Uncle Scam Skull Hat - skull patch on blue-green tie-dye 5-panel cap

Uncle Scam Skull Hat

$35.00

  • NEW

Killer Acid Snek Hat - green psychedelic snake patch on lime green 5-panel snapback

Green Snek Hat

$35.00

  • NEW

Killer Acid Surfer Hat - alien surfing patch on pink corduroy 6-panel dad hat

Surfer Dog Corduroy Hat

$35.00

  • NEW

Killer Acid Muted Mushroom Hat - mushroom patch on light blue striped 6-panel dad hat

Muted Mushroom Hat

$35.00

  • NEW

Killer Acid Cheshire Cat Hat - grinning striped cat patch on purple 5-panel cap

Cheshire Cat Hat

$35.00

  • NEW

Killer Acid Space Case Hat - alien lightning patch on teal corduroy 5-panel cap

Space Case Corduroy Hat

$35.00

  • NEW

Killer Acid Glizzy Hat - hot dog character patch on brown 6-panel ripstop cap

Glizzy Hat

$35.00
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Home Goods
Home Goods
Killer Acid Wavy Cat tufted accent rug with a row of grinning melty cat faces and rainbow teeth in blue and black

Wavy Cat Rug

$199.00
Killer Acid Cat House coir doormat reading This House Is A Cat House with a cartoon house full of cats

Cat House Doormat

$40.00
Killer Acid Black Tabs Blanket front product view

Black Tabs Blanket

$140.00

  • NEW

Killer Acid Melted Florals water bottle & bag bundle - teal/pink floral crossbody bag with green Killer Acid bottle

Floral Cat Water Bottle

$30.00

  • Save $5.00

Killer Acid Polaroid Camera Bundle

Killer Acid Polaroid Camera Bundle

$255.00 $260.00

  • NEW

Killer Acid Wavy Cat beach towel with teal and orange op-art wavy-stripe cat face print

Wavy Cat Towel

$35.00
Just Be Cool Mug

Just Be Cool Mug

from $20.00
Heads iPhone Case

Heads iPhone Case

$30.00
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Fine Printed Goods
Fine Printed Goods

  • Save $15.00

Killer Acid A Walk in the Woods screen print - autumn forest scene with hikers, critters and a dinosaur

A Walk in the Woods Screen Print

from $25.00 $40.00
In Your Dreams Poster - Posters & Prints

In Your Dreams Poster

from $25.00
Killer Acid Don't Trust the Government Screen Print front product view

Don't Trust the Government Screen Print

from $45.00
Rainbow foil paper print showing full cat planet scene

Cat Planet Screen Print

from $125.00
Cream paper print showing full nature scene

Touch Grass Screen Print

from $50.00
Born to Wild Poster - Posters & Prints

Wild Mild Poster

from $25.00
Mushroom Friends Banner - Banners

Mushrooms Are My Friends Green Banner

$20.00
Don't Smoke My Weed Flag - Posters & Prints

Don't Smoke My Weed Flag

$35.00
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Popular Collections
Popular Collections
Killer Acid Instagram Feed
Killer Acid Instagram Feed