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New Stuff

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

Mushroom Stripes Pants

$60.00

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

Wild Shroom Shorts

$60.00

  • NEW

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

Cheshire Cat 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 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 Muted Mushroom Hat - mushroom patch on light blue striped 6-panel dad hat

Muted Mushroom Hat

$35.00

  • NEW

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

Glizzy 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 4 Eyed Cat Hat - four-eyed cat patch on blue 5-panel dad hat

4 Eyed Cat 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

  • Save $15.00

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

Blue Shroom Terry Polo Shirt

$55.00 $70.00

  • NEW

Killer Acid Acid Test swim trunks in a psychedelic pink and yellow liquid swirl print

Acid Test Swim Trunks

$60.00

  • NEW

Killer Acid Summer Slime swim trunks with a busy cartoon print of melting slime, smiley suns and skulls in teal, orange and yellow

Summer Slime Swim Trunks

$60.00

  • NEW

Killer Acid Wild Shroom swim trunks with an all-over teal and coral print of wild melting creatures and critter faces

Wild Shroom Swim Trunks

$60.00

  • NEW

Killer Acid Cretaceous Cosmonauts swim trunks, salmon-orange with teal line-art dinosaurs, aliens and UFOs

Cretaceous Cosmonauts Swim Trunks

$60.00

  • NEW

Killer Acid Wavy Vision swim trunks in a black-and-white op-art wavy stripe print

Wavy Vision Swim Trunks

$60.00

  • NEW

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 Institute Deluxe long sleeve in green and blue tie-dye with the Institute for Psychedelic Research badge and printed sleeves

Killer Acid Institute Deluxe Long Sleeve

$60.00

  • 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

  • NEW

Killer Acid Space Case Deluxe long sleeve in green and black tie-dye with a psychedelic alien, UFO and volcano scene and printed sleeves

Space Case Deluxe Long Sleeve

$60.00

  • NEW

Killer Acid Hard Wired t-shirt - black tee, blue line-art robot machine face graphic

Hard Wired T‑Shirt

$40.00

  • NEW

Killer Acid Hard Wired long sleeve - black shirt, blue line-art robot face graphic, printed sleeves

Hard Wired Long Sleeve

$50.00

  • NEW

Killer Acid Party Animals fanny pack - neon green critter print, adjustable strap, Killer Acid patch

Party Animals Fanny Pack

$35.00

  • Save $10.00

Killer Acid Party Animals cooler bag - neon green critter print, shoulder strap, Killer Acid patch

Party Animals Cooler

$35.00 $45.00

  • NEW

Killer Acid Party Animals bottle bag - neon green crossbody sleeve, black critter print, Killer Acid patch

Party Animals Bottle Bag

$35.00

  • Save $10.00

Killer Acid Party Animals bottle and bag bundle, neon green sleeve with black cartoon-critter print and gray Nalgene bottle

Party Animals Water Bottle & Bag Bundle

$55.00 $65.00

  • NEW

Killer Acid Party Animals bottle and bag bundle, neon green sleeve with black cartoon-critter print and gray Nalgene bottle

Party Animals Water Bottle

$30.00

  • NEW

Killer Acid Melted Florals fanny pack in teal and pink floral print with a KILLER ACID cat patch and adjustable strap

Melted Florals Fanny Pack

$35.00

  • Save $10.00

Killer Acid Melted Florals cooler bag - teal & pink floral print, shoulder strap, Killer Acid patch

Melted Florals Cooler

$35.00 $45.00

  • Save $10.00

Killer Acid Melted Florals insulated bottle bag in teal and pink floral print with a KILLER ACID cat patch

Melted Florals Water Bottle & Bag Bundle

$55.00 $65.00

  • NEW

Killer Acid Melted Florals insulated bottle bag in teal and pink floral print with a KILLER ACID cat patch

Melted Florals Bottle Bag

$35.00

  • 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
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

  • NEW

Killer Acid Get Lost reversible bucket hat - black all-over print / solid gray, mountain patch

Get Lost Reversible Bucket Hat

$60.00

  • NEW

Killer Acid Get Lost snapback hat - blue with black tie-dye panels, mountain character patch

Get Lost Blue Tie‑Dye Snapback Hat

$50.00

  • NEW

Killer Acid Get Lost snapback hat - black with all-over colorful camping scene print

Get Lost Black Snapback Hat

$50.00

  • NEW

Killer Acid Melted Florals short-sleeve button up shirt in a teal and pink melted-floral print with chest pocket

Melted Florals Button Up

$75.00

  • NEW

Killer Acid Melted Florals shorts in a teal and pink melted-floral print with an embroidered character on the leg

Melted Florals Shorts

$60.00

  • Save $10.00

Killer Acid Blue Head Pocket T-Shirt front product view

Blue Head Pocket T‑Shirt

$40.00 $50.00

  • Save $12.00

Brown Cat Patch Striped T-Shirt - T-Shirts

Retro Stripe T‑Shirt

$38.00 $50.00
Killer Acid Pizza Party Anniversary Set front product view

Pizza Party Anniversary Set

$69.00
The Spaced Out | Shinesty X Killer Acid Ball Hammock® Magnum Big Pouch Underwear - Boxers - Magnum Pouch

The Spaced Out | Shinesty X Killer Acid Ball Hammock® Magnum Big Pouch Underwear

$29.99

  • Save $5.00

The Spaced Out | Shinesty X Killer Acid Modal Bikini Underwear - Bikini

The Spaced Out | Shinesty X Killer Acid Modal Bikini Underwear

$14.99 $19.99

More Collections

Rainbow foil paper print showing full cat planet scene

CATS! CATS! CATS!

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

Mushroom Friends

Killer Acid Blue Head Pocket T-Shirt front product view

🐶Dog Daze of Summer Sale🌞

Fresh drops from our Santa Cruz studio. New t-shirts, hoodies, prints, stickers, and accessories featuring brand new artwork, straight from the drawing board to your doorstep. Check back often because new designs land regularly and old ones disappear.