Up to 40% off sitewide: Yes, everything.
ends soon
Sell your art
Login
Signup
Caps
Retro mountain with trees
Redbubble logo
Explore
For You
Retro Gaming
Horror
Sci-Fi
Pride
Pop-Culture
Fresh Finds
Fan Art
Clothing
New
All Clothing
T-Shirts
New
Hoodies & Sweatshirts
Hats
Socks
Dresses
Tank Tops
Stickers
All Stickers
Holographic Stickers
Funny Stickers
Car Stickers
Bumper Stickers
Water Bottle Stickers
Cool Stickers
Anime Stickers
Laptop Stickers
Magnets
Custom Stickers
Phone Cases
All Phone Cases
iPhone Cases
Samsung Galaxy
New
Wall Art
All Wall Art
Posters
Photographic Prints
Art Prints
Tapestries
Canvas Prints
Framed Prints
Art Board Prints
Home & Living
All Home & Living
Mugs
Throw Pillows
Throw Blankets
Tapestries
Magnets
Aprons
Coasters
Jigsaw Puzzles
Duvet Covers
Acrylic Blocks
Clocks
Shower Curtains
Bath Mats
Kids & Babies
All Kids Clothes
Kids T-Shirts
Baby One-Pieces
Kids Pullover Hoodies
Accessories
All Accessories
Hats
Socks
Pins
Backpacks
Tech Accessories
Tote Bags
Makeup Bags
Toiletry Bags
Zipper Pouches
Duffle Bags
Scarves
Stationery & Office
All Stationery & Office
Greeting Cards
Spiral Notebooks
Mouse Pads & Desk Mats
Postcards
Hardcover Journals
Gifts
All Gifts
Gifts for Dad
Gifts for Gamers
Gifts for Her
Gifts for Him
Gifts for Animal Lovers
Gifts Under $50
Gifts for Outdoorsy Types
Gifts for Kids
Stocking Stuffers
Gift Cards
Microbe Art Caps
196 items
Hats
Filters (2)
196 items
Most Relevant
Chubby Tardigrade "Water Bear" in Watercolor Baseball Cap
ElfSama
$20.15
$25.19
(20% off)
Festive Hanukkah Microbe with Menorah and Gift – Inclusive Holiday Design Dad Hat
AdoraSticks
$21.41
$25.19
(15% off)
Not Today, Humans! - Cute Microbes Art Dad Hat
nimbfeja
$19.62
$23.09
(15% off)
Santa Suit Microbe on a Sleigh – Festive Candy-Cane Holiday Design Baseball Cap
AdoraSticks
$20.15
$25.19
(20% off)
Cozy Santa Sweater Microbe with Holiday Lights – Classic Christmas Design Baseball Cap
AdoraSticks
$20.15
$25.19
(20% off)
Quirky Scarecrow Microbe on a Broomstick – Whimsical Halloween Design Baseball Cap
AdoraSticks
$20.15
$25.19
(20% off)
Bio art Baseball Cap
Queueka
$20.99
$26.24
(20% off)
home for microbial breeding Baseball Cap
CTArtder
$20.15
$25.19
(20% off)
Haunted Carnival Performer Microbe on Round Stage – Halloween Design Baseball Cap
AdoraSticks
$20.15
$25.19
(20% off)
Retro Saved By The Lab Tech Phlebotomist Funny Lab Week 2026 Dad Hat
mjohnson9
$21.41
$25.19
(15% off)
Going Electric! Baseball Cap
Tadeusz1
$20.15
$25.19
(20% off)
Phlebotomy Crew Tell the Best Stories Lab Team Lab Week 2026 Baseball Cap
mjohnson9
$20.15
$25.19
(20% off)
Reindeer Antler Microbe with Holiday Gift – Cute Christmas Design Baseball Cap
AdoraSticks
$20.15
$25.19
(20% off)
Cheeky Candy Thief Microbe with Halloween Loot – Spooky Fun Design Baseball Cap
AdoraSticks
$20.15
$25.19
(20% off)
Cheerful Santa Microbe – Festive Holiday Design Baseball Cap
AdoraSticks
$20.15
$25.19
(20% off)
Mustachio! (Art Only) Baseball Cap
DiatomsATTACK
$20.15
$25.19
(20% off)
Bacteria fronteria Baseball Cap
mikasa.art
$21.83
$27.29
(20% off)
Mystery Machine of Diagnostics Lab Week Med Lab Tech Baseball Cap
FrankIsabel
$18.47
$23.09
(20% off)
Bacteria fronteria Dad Hat
mikasa.art
$23.19
$27.29
(15% off)
Adorable Bacteria Naegleria Baseball Cap
Sillytoe
$21.83
$27.29
(20% off)
Autistic Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Lab Week 2026 Medical Laboratory Professionals Week Lab Tech Dad Hat
ArleneRowe
$19.62
$23.09
(15% off)
Koji Fairy – Fermentation Angel Kawaii Design Dad Hat
Yohei-Studio
$19.62
$23.09
(15% off)
Happy Lab Laboratory Week May Your Tubes Be Good One Teacher Dad Hat
KathieFaugh
$21.41
$25.19
(15% off)
Tardigrade Baseball Cap
BugCreative
$20.15
$25.19
(20% off)
Cozy Microbe with Hot Cocoa – Festive Holiday Design Baseball Cap
AdoraSticks
$20.15
$25.19
(20% off)
Tardigrade | Cartoon Eyes Baseball Cap
BugCreative
$20.15
$25.19
(20% off)
Cartoon Yellow Virus Cute Microbe Art Baseball Cap
monikko
$19.31
$24.14
(20% off)
Neurogender/Neuroqueer Pride Bacteriophage Baseball Cap
PridePhages
$20.15
$25.19
(20% off)
Zombie Virus, Undead, BioTechnology Dad Hat
Burn-Ego
$21.05
$24.77
(15% off)
Demonic Undead Virus, Zombie, BioTechnology Baseball Cap
Burn-Ego
$19.64
$24.56
(20% off)
Lab Story Lab Week 2026 Medical Laboratory Technician Team Baseball Cap
KristineLi
$18.47
$23.09
(20% off)
Snot Virus, Evil Germ, Bioweapon Dad Hat
Burn-Ego
$21.05
$24.77
(15% off)
Tough as a Tarigrade Water Bear Art Dad Hat
LaughingHorseCo
$22.30
$26.24
(15% off)
Skull Virus, Evil Germ, Bioweapon Baseball Cap
Burn-Ego
$19.64
$24.56
(20% off)
Evil Virus, Demonic BioTechnology Baseball Cap
Burn-Ego
$19.64
$24.56
(20% off)
Bacteriophage and the I is a phage Dad Hat
Katherine Winner
$21.41
$25.19
(15% off)
Demonic Plague Virus, Evil, BioWeapon Dad Hat
Burn-Ego
$21.05
$24.77
(15% off)
Lab Week 2026 Laboratory Tech Leopard Medical Technician Dad Hat
ArleneRowe
$19.62
$23.09
(15% off)
Alien Virus, Evil Germ, BioTechnology Dad Hat
Burn-Ego
$21.05
$24.77
(15% off)
Deadly Virus, Demonic Technology Dad Hat
Burn-Ego
$21.05
$24.77
(15% off)
Cartoon Virus, Demon, BioTechnology Dad Hat
Burn-Ego
$21.05
$24.77
(15% off)
Demonic Virus, Evil BioTechnology Baseball Cap
Burn-Ego
$19.64
$24.56
(20% off)
Biotech Plague Virus, Evil, BioWeapon Dad Hat
Burn-Ego
$21.05
$24.77
(15% off)
Alien Skull Virus, Evil Germ, Bioweapon Baseball Cap
Burn-Ego
$19.64
$24.56
(20% off)
Angelic Microbe with Golden Bell – Celestial Holiday Design Dad Hat
AdoraSticks
$21.41
$25.19
(15% off)
Biotech Cyber Virus, Demonic Technology Dad Hat
Burn-Ego
$21.05
$24.77
(15% off)
Cartoon Evil Virus, Zombie, BioTechnology Dad Hat
Burn-Ego
$21.05
$24.77
(15% off)
Astronaut Microbe Exploring Pumpkin Planet – Cosmic Halloween Design Dad Hat
AdoraSticks
$21.41
$25.19
(15% off)
Grow your art, funny art and microbiology Baseball Cap
NoetherSym
$20.15
$25.19
(20% off)
Non-binary Pride Bacteriophage Baseball Cap
PridePhages
$20.15
$25.19
(20% off)
Intersex-Inclusive Progress Pride Flag Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Sapphic/Inclusive Lesbian Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Lab Story Week 2026 Medical Laboratory Technician Team Baseball Cap
GreggRoss
$20.15
$25.19
(20% off)
Agender Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Sunset Aro-Ace Pride Bacteriophage Baseball Cap
PridePhages
$20.15
$25.19
(20% off)
Lab Week 2026 Lab Tech Medical Science Laboratory Scientist Baseball Cap
ArleneRowe
$18.47
$23.09
(20% off)
Soil Squad Microbe Heroes Dad Hat
Zakrytos ★★★★★
$23.01
$27.08
(15% off)
Art of Diatom algae (from Ernst Haeckel) (B3050177) Dad Hat
braden-galina
$23.19
$27.29
(15% off)
Autigender Pride Bacteriophage Baseball Cap
PridePhages
$20.15
$25.19
(20% off)
Holiday Baker Microbe with Cookie Tray – Festive Cooking Design Dad Hat
AdoraSticks
$21.41
$25.19
(15% off)
Penicillium chrysogenum Dad Hat
8BitTwisted
$21.41
$25.19
(15% off)
Intersex Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Cute plankton Trachelomonas, Algae art, Microalgae lovely, phytoplankton cell Baseball Cap
thurakitdew
$21.83
$27.29
(20% off)
Mischievous Elf Microbe with Wrapped Presents – Playful Holiday Design Baseball Cap
AdoraSticks
$20.15
$25.19
(20% off)
Snowman Microbe with Carrot Nose and Top Hat – Winter Holiday Design Dad Hat
AdoraSticks
$21.41
$25.19
(15% off)
Art at the micron level, funny art and microbiology Dad Hat
NoetherSym
$21.41
$25.19
(15% off)
Demisexual Pride Bacteriophage Baseball Cap
PridePhages
$20.15
$25.19
(20% off)
Whimsical Caroler Microbe with Music Sheet – Festive Holiday Design Baseball Cap
AdoraSticks
$20.15
$25.19
(20% off)
Omnisexual Pride Bacteriophage Baseball Cap
PridePhages
$20.15
$25.19
(20% off)
Fraysexual Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Frayromantic Pride Bacteriophage Baseball Cap
PridePhages
$20.15
$25.19
(20% off)
Greyromantic Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Polysexual Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Pansexual Pride Bacteriophage Baseball Cap
PridePhages
$20.15
$25.19
(20% off)
Genderqueer Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Transgender Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Bisexual Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Abrosexual Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Neutrois Pride Bacteriophage Baseball Cap
PridePhages
$20.15
$25.19
(20% off)
Genderfluid Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Tardigrade | Flower Hat Dad Hat
BugCreative
$21.41
$25.19
(15% off)
Asexual Pride Bacteriophage Dad Hat
PridePhages
$21.41
$25.19
(15% off)
Recipromantic Pride Bacteriophage Baseball Cap
PridePhages
$20.15
$25.19
(20% off)
Petri dishes are my canvas, funny art and microbiology Dad Hat
NoetherSym
$21.41
$25.19
(15% off)
Anatomy of Kombucha – Fermentation Illustration Baseball Cap
MICROBE & CO.
$22.67
$28.34
(20% off)
Anatomy of Kombucha – Fermentation Illustration Dad Hat
MICROBE & CO.
$24.08
$28.34
(15% off)
Petri dishes are my canvas, funny art and microbiology Baseball Cap
NoetherSym
$20.15
$25.19
(20% off)
Petri dishes are my canvas, funny art and microbiology Dad Hat
NoetherSym
$21.41
$25.19
(15% off)
Aromantic Pride Bacteriophage Baseball Cap
PridePhages
$20.15
$25.19
(20% off)
Become a member.
Get 25% off your first order.
Plus other neat perks and exclusive savings to help you find the very thing.
Sign up
Previous
1
2
3
Next
Microbe
Microbiology
Bacteria
Virus
Biology
Bacteriophage
Cute Science
Gram Stain
Science Art
Acrylic
Bio Art
Medical Science
Cell Culture
Lab Life
Worldwide Shipping
Available as standard or express delivery
Learn more
- opens in new window or tab
Secure Payments
100% Secure Payment with 256-bit SSL encryption
Learn more
- opens in new window or tab
Free Return
Exchange or money back guarantee for all orders
Learn more
- opens in new window or tab
Local Support
24/7 Dedicated support
Learn more
- opens in new window or tab
