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  • NEW

Astrology Freaks 2027 Calendar + Astro Sticker - Posters & Prints

Astrology Freaks 2027 Calendar + Astro Sticker

$27.00 $30.00

  • NEW

Astrology Freaks 2027 Calendar + Astro Sticker - Posters & Prints

Astrology Freaks 2027 Calendar

$25.00

  • New

Crazy Cats 2027 Calendar - Posters & Prints

Crazy Cats 2027 Calendar

$25.00

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

Third Eye Cat Jacquard T‑Shirt

$50.00

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

Jungle Vibes Button Up

$75.00

  • NEW

Killer Acid Haunted House pullover hoodie, black with glow-in-the-dark aqua haunted mansion back print and cat logo

Haunted House Pullover Hoodie

$75.00

  • New

Killer Acid Haunted Glow black wool felt cap with glow-in-the-dark aqua three-eyed cat patch

Haunted Glow Felt Hat

$35.00

  • New

Space Friends T-Shirt - T-Shirts

Space Friends T‑Shirt

$35.00
Killer Acid 5 Eye Cat enamel pin: purple five-eyed cat face with fangs and red noses on an orange background

5 Eye Cat Enamel Pin

$15.00

  • New

Beware of Cat Poster - Posters & Prints

Beware of Cat Poster

from $25.00

  • New

Friends from Space Poster - Posters & Prints

Friends from Space Poster

from $25.00

  • NEW

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

Wild Shroom Shorts

$60.00

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Killer Acid Uncle Scam skull bucket hat, blue and green tie-dye with embroidered red, white and blue skulls

Uncle Scam Skull Bucket Hat

$40.00

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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
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
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
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 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 4 Eyed Cat crew socks – royal blue with yellow four-eyed cat face graphic, coral heel and toe

4 Eyed Cat Blue Socks

$15.00

  • NEW

Killer Acid Third Eye Cat tie-dye crew socks – red and white tie-dye with stacked blue three-eyed cat faces

Third Eye Cat Tie‑Dye Socks

$15.00

  • NEW

Killer Acid Cheshire Striped crew socks – red and purple stripes with grinning Cheshire cat, light blue heel and toe

Cheshire Striped Socks

$15.00

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Killer Acid Mushroom Bear crew socks – light blue and white stripes with red spotted mushroom bear, red toe

Mushroom Bear Socks

$15.00

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Killer Acid Green Snek crew socks – neon green with pink diamond scale pattern and coiled cartoon snake

Green Snek Socks

$15.00

  • NEW

Killer Acid Surfer Dog tie-dye crew socks – white and pink tie-dye with green surfing dog pattern, hot pink heel and toe

Surfer Dog Tie‑Dye Socks

$15.00
Killer Acid Hard Wired t-shirt - black tee, blue line-art robot machine face graphic

Hard Wired T‑Shirt

$40.00
Killer Acid Hard Wired long sleeve - black shirt, blue line-art robot face graphic, printed sleeves

Hard Wired Long Sleeve

$50.00

  • 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

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

Get Lost Reversible Bucket Hat

$60.00
Killer Acid Get Lost snapback hat - blue with black tie-dye panels, mountain character patch

Get Lost Blue Tie‑Dye Snapback Hat

$50.00
Killer Acid Get Lost snapback hat - black with all-over colorful camping scene print

Get Lost Black Snapback Hat

$50.00
Killer Acid Full of Heart Dumb of Ass sticker with a blue three-eyed monster holding a rose

Full of Heart Sticker

$5.00
Killer Acid Signs of Intelligence sticker: a flying blue monster with the line Down Here On Earth Dipshits Are Prevalent

Signs of Intellegence Sticker

$5.00
Killer Acid Snug Dealer sticker with a blue three-eyed monster flashing a trench coat, offering nuzzles, scritches and boops

Snug Dealer Sticker

$5.00
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

  • NEW

Killer Acid Summer Vibes beach towel with KILLER ACID bubble type over a busy psychedelic summer scene in yellow, orange and teal

Summer Vibes Towel

$35.00
Killer Acid Wavy Cat beach towel with teal and orange op-art wavy-stripe cat face print

Wavy Cat Towel

$35.00

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.