Pi Sweatshirts & Hoodies

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1000+ items

Pi Symbol Sketch Zipped Hoodie

SymbolGrafix

$34.39

~~$43.00~~ (20% off)

Chibi Stitch Pi-ka & Toothless Classic T-Shirt Pullover Sweatshirt

WADESUMNER

$33.55

~~$41.94~~ (20% off)

Picto Manneken Pis Premium Oversized Sweatshirt

Various Voices Brussels 2026

$45.47

~~$56.84~~ (20% off)

1154 Digits of Pi Premium Oversized Sweatshirt

Marder Made

$49.61

~~$62.00~~ (20% off)

I'm sec c and I know it (math edition) Pullover Hoodie

scienceisfunny

$34.31

~~$42.89~~ (20% off)

Pi Symbol Sketch Premium Oversized Hoodie

SymbolGrafix

$51.76

~~$69.00~~ (25% off)

Worcester Polytechnic Institute WPI Pi Symbol Premium Oversized Sweatshirt

Bookish Blossom

$49.61

~~$62.00~~ (20% off)

Pi, π, spiral, Science, Mathematics, Math, Irrational Number, Sequence Premium Oversized Hoodie

nitty-gritty

$60.16

~~$80.21~~ (25% off)

Pi-thon Cute Pi Symbol Snake for Math Lovers Premium Oversized Hoodie

eignvalue

$56.07

~~$74.75~~ (25% off)

Rainbow Pi Day Vintage Retro Natinoal Pi Day Premium Oversized Sweatshirt

Adolfo114

$49.61

~~$62.00~~ (20% off)

Pi to 1000 digits Premium Oversized Hoodie

Koolkati3

$51.76

~~$69.00~~ (25% off)

Magnum since 1980 Premium Oversized Sweatshirt

chillstudio

$49.61

~~$62.00~~ (20% off)

Magnum Christmas Sweater Premium Oversized Sweatshirt

MostlyMagnum

$47.54

~~$59.42~~ (20% off)

Funny Pie Style T-Shirt-Pi Day Shirts for Math Geeks Premium Oversized Sweatshirt

evaspark

$49.61

~~$62.00~~ (20% off)

Be Rational Get Real Imaginary Math Pi Premium Oversized Hoodie

TheShirtYurt

$49.51

~~$66.01~~ (25% off)

Pi Christmas Math Science Algebra Premium Oversized Sweatshirt

elderberry

$45.47

~~$56.84~~ (20% off)

Debian Premium Oversized Hoodie

simontals

$59.95

~~$79.93~~ (25% off)

Pi Chi Omega 75 Years! Lightweight Sweatshirt

pichiomega

$27.71

~~$46.19~~ (40% off)

Mathlete Mathletic Department PI 3.14 Math Calculus Puns Pullover Hoodie

Hananiah Merch

$35.87

~~$44.84~~ (20% off)

Pi Symbol Sketch Premium Oversized Sweatshirt

SymbolGrafix

$49.61

~~$62.00~~ (20% off)

Magnum PI New Sunset Lightweight Hoodie

Smpritch87

$33.59

~~$41.99~~ (20% off)

A Slice of Pi Zipped Hoodie

Garaga

$34.39

~~$43.00~~ (20% off)

Euler is cool Premium Oversized Hoodie

spatulacity

$51.76

~~$69.00~~ (25% off)

Pi Chi Omega Denver Premium Oversized Sweatshirt

pichiomega

$49.61

~~$62.00~~ (20% off)

Pi Symbol Sketch White Premium Oversized Hoodie

SymbolGrafix

$51.76

~~$69.00~~ (25% off)

Raspberry Pi Premium Oversized Hoodie

Redstrawberry13

$53.91

~~$71.88~~ (25% off)

Raspberry Pi Pico Art Premium Oversized Sweatshirt

cjnimoy

$49.61

~~$62.00~~ (20% off)

Magnum Pi - Hawaii Premium Oversized Hoodie

BadgerofWater

$51.76

~~$69.00~~ (25% off)

Island Hoppers Magnum PI Premium Oversized Hoodie

Alema Art

$57.36

~~$76.48~~ (25% off)

Rebooted Magnum P.I Black & White Streetwear Design Pullover Hoodie

Natalie Eve Austin

$37.43

~~$46.79~~ (20% off)

Apple Pi 3.14 Premium Oversized Hoodie

mwagie

$51.32

~~$68.43~~ (25% off)

ADHD butterfly symbol (medium) Premium Oversized Sweatshirt

Optimist Jenna: Neurodivergent Designs

$49.61

~~$62.00~~ (20% off)

Funny Pi Day A Slice Of Pi Chart Math Teacher Student School Premium Oversized Hoodie

charissamo77

$60.38

~~$80.50~~ (25% off)

MATH! Pullover Sweatshirt

BessoChicca

$33.55

~~$41.94~~ (20% off)

Pi Day Funny Premium Oversized Hoodie

artworkbyrihen

$56.50

~~$75.33~~ (25% off)

Vintage Don't Be Irrational Pi Day For Math Teacher Science Premium Oversized Sweatshirt

ALI-STORE-4Y

$53.74

~~$67.17~~ (20% off)

Magnum pi - Tom Selleck Premium Oversized Hoodie

Alkantara80

$58.22

~~$77.63~~ (25% off)

Funny Pi Day Quote - Pi Has An End Fight Me Pie Day Premium Oversized Hoodie

Theparticular

$49.17

~~$65.55~~ (25% off)

Apple Pi Symbol Pun Math Teacher Pi Day Premium Oversized Hoodie

IdunayaStore

$51.76

~~$69.00~~ (25% off)

Pi symbol for Pi day Premium Oversized Sweatshirt

FrictionMaxxing

$49.61

~~$62.00~~ (20% off)

Magnum pi - Tom Selleck Premium Oversized Hoodie

KelsoBob

$51.76

~~$69.00~~ (25% off)

Pi walk Premium Oversized Sweatshirt

planisphaerium

$45.47

~~$56.84~~ (20% off)

Cutie Pie Pi Day Math Lover Math Teacher 3.14 Pi Number Math Premium Oversized Sweatshirt

Moon-Ape

$49.61

~~$62.00~~ (20% off)

A Slice of Pi Premium Oversized Sweatshirt

Garaga

$49.61

~~$62.00~~ (20% off)

Godot - Nodes Premium Oversized Hoodie

Solo Geek ‎

$52.19

~~$69.58~~ (25% off)

Pi Digits Pullover Hoodie

lemonsugarwater

$37.43

~~$46.79~~ (20% off)

Pi Art | T-Shirt | Sticker Premium Oversized Hoodie

Prism-Bubble

$47.44

~~$63.25~~ (25% off)

Original Pi Chi Omega Logo Premium Oversized Hoodie

pichiomega

$51.76

~~$69.00~~ (25% off)

Magnum P.I Premium Oversized Hoodie

Alkantara80

$58.22

~~$77.63~~ (25% off)

Tom Selleck Premium Oversized Hoodie

Sharlaneill

$58.22

~~$77.63~~ (25% off)

Captain Philippines! (Grunge White Sun) Premium Oversized Sweatshirt

IsdaMan

$49.61

~~$62.00~~ (20% off)

Pi Day Pi Letter Stereoscopic Style Premium Oversized Sweatshirt

Go-Fun

$53.74

~~$67.17~~ (20% off)

Sierpinski, Triangle, Mathematics, Fractal, Math, Geometry Premium Oversized Sweatshirt

nitty-gritty

$57.67

~~$72.08~~ (20% off)

I Love Pie - Funny Pi Day & Math Lover Premium Oversized Sweatshirt

Bandikonsalez

$45.47

~~$56.84~~ (20% off)

Thomas Magnum - 80s design Premium Oversized Hoodie

BlueDoctor

$51.76

~~$69.00~~ (25% off)

Pi Day Dinosaur T-Rex Shirt Pi Day Math Gift Kids Teacher Premium Oversized Hoodie

Hananiah Merch

$49.60

~~$66.13~~ (25% off)

King Kamehameha Unlock Your Inner Magnum PI with Redbubble's King Magnum Merchandise Premium Oversized Sweatshirt

MagnumDesigns

$62.01

~~$77.51~~ (20% off)

Rebooted Magnum P.I TC_s _amp_ Shammy_s Island Hopper Design Premium Oversized Hoodie

Alkantara80

$58.22

~~$77.63~~ (25% off)

Pi Number - Pi Day π spiral Premium Oversized Hoodie

vladocar

$50.72

~~$67.62~~ (25% off)

Zeus, Apollo, Kill! Premium Oversized Sweatshirt

Alkantara80

$55.81

~~$69.75~~ (20% off)

Mathlete Premium Oversized Hoodie

FengHua

$53.91

~~$71.88~~ (25% off)

I Ate Some Pie And It Was Delicious I Ate Some Pi Math Premium Oversized Sweatshirt

ZOUBAH

$47.95

~~$59.94~~ (20% off)

3.14 Pi mirrors Pie Premium Oversized Sweatshirt

24FAHSION

$82.68

~~$103.34~~ (20% off)

I love math Funny Gift Premium Oversized Hoodie

GoldenDov

$51.76

~~$69.00~~ (25% off)

I teach to inspire Premium Oversized Hoodie

Mesyo

$129.38

~~$172.50~~ (25% off)

Snoopy Magnum p.i. Premium Oversized Hoodie

ChunkByChunk

$46.15

~~$61.53~~ (25% off)

Pi Symbol Spiral Number Pi Day Pullover Sweatshirt

Eng-Sun

$33.55

~~$41.94~~ (20% off)

Ins-pi-re Math Teacher Math Nerd & Pi Day Premium Oversized Hoodie

sailorjessiArt

$51.76

~~$69.00~~ (25% off)

Cutie Pie Premium Oversized Hoodie

DocDesigns

$56.07

~~$74.75~~ (25% off)

Mathlete Mathletic Department Math PI Premium Oversized Hoodie

Hananiah Merch

$49.60

~~$66.13~~ (25% off)

Circle Spiral Number Pi | T-Shirt Premium Oversized Sweatshirt

Prism-Bubble

$45.47

~~$56.84~~ (20% off)

Magnum Pi Magnum PI - Island Hoppers Premium Oversized Sweatshirt

Alkantara80

$55.81

~~$69.75~~ (20% off)

Captain Philippines! (For Blue Shirts Only) Premium Oversized Hoodie

IsdaMan

$51.76

~~$69.00~~ (25% off)

forza motorsport Pullover Hoodie

NCNGDESIGN

$38.05

~~$47.57~~ (20% off)

Pi Chi Omega at PestWorld 2023 Premium Oversized Sweatshirt

pichiomega

$49.61

~~$62.00~~ (20% off)

Cutie Pi Day Women Kids Men Toddler Math Teacher Student Premium Oversized Sweatshirt

Moon-Ape

$49.61

~~$62.00~~ (20% off)

Magnum PI Premium Oversized Sweatshirt

stevanyance

$54.98

~~$68.72~~ (20% off)

Magnum PI VM02 Da Nang Design -Get the Look with Magnum PI - Vietnam War Premium Oversized Sweatshirt

MagnumDesigns

$62.01

~~$77.51~~ (20% off)

Godot - Nodes White Premium Oversized Hoodie

RafaLagoon

$51.76

~~$69.00~~ (25% off)

Pi Day Graphic Symbol Pullover Hoodie

Marianne Campolongo

$42.73

~~$53.42~~ (20% off)

Pi Sports Balls Funny Pi Day Math Premium Oversized Sweatshirt

miaa-artistshop

$51.67

~~$64.59~~ (20% off)

Pi 3.14 Number Symbol Math Science Premium Oversized Hoodie

ValerieRodrigue

$47.44

~~$63.25~~ (25% off)

Harry Banner Basic Premium Oversized Sweatshirt

SJHorsfall

$45.47

~~$56.84~~ (20% off)

Got rPi? Premium Oversized Sweatshirt

Jackson Chung

$53.74

~~$67.17~~ (20% off)

Pi Day 2025 Pi 500 Digits Premium Oversized Hoodie

pi-day

$53.91

~~$71.88~~ (25% off)

Pi Symbol Colourful on Black Premium Oversized Hoodie

Grathicks

$51.76

~~$69.00~~ (25% off)

Euler's formula, complex numbers and math Premium Oversized Hoodie

NoetherSym

$51.76

~~$69.00~~ (25% off)

Magnum PI Premium Oversized Sweatshirt

Fgejoo2845

$53.74

~~$67.17~~ (20% off)

Area of a Pizza (black) Premium Oversized Sweatshirt

avidfan2000

$49.61

~~$62.00~~ (20% off)

Beer Lao Premium Oversized Hoodie

benwookie

$53.91

~~$71.88~~ (25% off)

Become a member.Get 25% off your first order.Plus other neat perks and exclusive savings to help you find the very thing.

Clothing

Sweatshirt

Pi hoodies and sweatshirts are expertly printed on ethically sourced, sweatshop-free apparel and available in a huge range of styles, colors and sizes. If you like your hoodies baggy, go two sizes up.

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Pi Sweatshirts & Hoodies

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