Mainframe Sweatshirts & Hoodies

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336 items

To Mend and Defend Premium Oversized Hoodie

Everdreamer

$34.55

~~$57.59~~ (40% off)

TERRORIZE! Premium Oversized Sweatshirt

lazerwolfx

$38.69

~~$51.59~~ (25% off)

Digital Equipment Corporation DEC Premium Oversized Sweatshirt

byruit

$38.69

~~$51.59~~ (25% off)

Evil IBM 729 Blue Premium Oversized Hoodie

mainframed767

$34.55

~~$57.59~~ (40% off)

Guardian 452 Premium Oversized Sweatshirt

HazelGeek

$38.69

~~$51.59~~ (25% off)

Proud Mainframer – Vintage Engineering Badge Premium Oversized Hoodie

Nerd Romance Café

$34.55

~~$57.59~~ (40% off)

Evil Mainframe 729 - Blue Premium Oversized Hoodie

mainframed767

$34.55

~~$57.59~~ (40% off)

reboot - guardian icon - retro tv Premium Oversized Hoodie

nerdy-northern

$35.56

~~$59.27~~ (40% off)

Evil IBM 729 Red Premium Oversized Hoodie

mainframed767

$34.55

~~$57.59~~ (40% off)

Mainframe Premium Oversized Sweatshirt

ChocolateRaisin

$38.69

~~$51.59~~ (25% off)

Mainframe Premium Oversized Hoodie

HD-Arts

$34.55

~~$57.59~~ (40% off)

Mainframe Pullover Sweatshirt

ARTificialNsite

$31.49

~~$41.99~~ (25% off)

COBOL Developer Brain – Funny Mainframe Programmer Gift Premium Oversized Hoodie

Nerd Romance Café

$34.55

~~$57.59~~ (40% off)

Warning: Incoming Game Premium Oversized Hoodie

drewreimer

$34.55

~~$57.59~~ (40% off)

Assembler Programmers Know How to take a dump Lightweight Sweatshirt

benandfreya

$26.99

~~$35.99~~ (25% off)

The legendary mainframe programmer is not extinct! Premium Oversized Hoodie

themkat

$33.11

~~$55.19~~ (40% off)

cobol vintage pteranodon mainframe computer Premium Oversized Hoodie

artvar

$34.55

~~$57.59~~ (40% off)

CGI Main Cast Group Pose Premium Oversized Hoodie

MacedoGuii

$34.55

~~$57.59~~ (40% off)

Frisket Premium Oversized Sweatshirt

ScuzzyDog

$38.69

~~$51.59~~ (25% off)

Cobol isn't dead Premium Oversized Sweatshirt

benandfreya

$38.69

~~$51.59~~ (25% off)

Cobol is performing graffiti Pullover Sweatshirt

benandfreya

$31.49

~~$41.99~~ (25% off)

Rexx Premium Oversized Sweatshirt

BCD BRANDS

$37.25

~~$49.67~~ (25% off)

CGI Cyber Characters Diamond Emblem Lineup Premium Oversized Sweatshirt

ParnellaChalif

$38.69

~~$51.59~~ (25% off)

The Legendary Mainframe Programmer Premium Oversized Hoodie

BCD BRANDS

$33.27

~~$55.45~~ (40% off)

The Legendary Mainframe Programmer Premium Oversized Sweatshirt

BCD BRANDS

$37.25

~~$49.67~~ (25% off)

Mainframe logo (80s synth band) Premium Oversized Sweatshirt

Phil South Shurts

$35.46

~~$47.29~~ (25% off)

ReBoot - Mainframe City Original CGI Art Lightweight Hoodie

vortiene

$32.63

~~$40.79~~ (20% off)

Cybersecuriity Let's Hack the Mainframe Premium Oversized Sweatshirt

Nerd Shizzle

$35.46

~~$47.29~~ (25% off)

Underwater Mainframe Premium Oversized Hoodie

fayebianchiart

$34.55

~~$57.59~~ (40% off)

Mainframe (white) Premium Oversized Hoodie

Phil South Shurts

$31.67

~~$52.79~~ (40% off)

Cybernetic Mainframe Premium Oversized Sweatshirt

The-Stellerium

$38.69

~~$51.59~~ (25% off)

Mainframe Brain. Premium Oversized Sweatshirt

Indy Sidhu

$48.36

~~$64.49~~ (25% off)

Mainframe Exemption Premium Oversized Hoodie

YeoboPlay

$32.82

~~$54.71~~ (40% off)

mainframe slave Premium Oversized Sweatshirt

jonnyriot

$38.69

~~$51.59~~ (25% off)

Shopping Mainframe Premium Oversized Hoodie

NeuroChroma

$34.55

~~$57.59~~ (40% off)

She mainframe Premium Oversized Hoodie

Chaos-Approved

$35.99

~~$59.99~~ (40% off)

Brookmere Tea House Premium Oversized Hoodie

Elyria Souvenirs and Gifts

$31.67

~~$52.79~~ (40% off)

ThecWillow Hearth Riverside Inn Premium Oversized Hoodie

Elyria Souvenirs and Gifts

$31.67

~~$52.79~~ (40% off)

Stay Frosty Premium Oversized Sweatshirt

Jezika89

$37.08

~~$49.44~~ (25% off)

Windmill Café Premium Oversized Hoodie

Elyria Souvenirs and Gifts

$31.67

~~$52.79~~ (40% off)

ReBoot Badge Premium Oversized Hoodie

Black Valley Cards

$31.67

~~$52.79~~ (40% off)

Malfunction Premium Oversized Sweatshirt

Off the Box

$38.69

~~$51.59~~ (25% off)

Vintage Mainframe Premium Oversized Hoodie

Zern Liew

$38.87

~~$64.79~~ (40% off)

Fox and Lantern Inn Premium Oversized Sweatshirt

Elyria Souvenirs and Gifts

$35.46

~~$47.29~~ (25% off)

HOME ODYSSEY Vintage Computer History Retro Premium Oversized Sweatshirt

Rockx5

$38.69

~~$51.59~~ (25% off)

Winterlight 2026 Official Emblem Premium Oversized Hoodie

Elyria Souvenirs and Gifts

$31.67

~~$52.79~~ (40% off)

The Evolution of Technology Premium Oversized Hoodie

Border Bandit Studio

$33.11

~~$55.19~~ (40% off)

Reboot Citizen of Mainframe Premium Oversized Sweatshirt

gerrielperez

$38.30

~~$51.07~~ (25% off)

zOS I Love CICS Premium Oversized Hoodie

edwoodjnr

$33.11

~~$55.19~~ (40% off)

COBOL STEGOSAURUS LEGACY MAINFRAME Premium Oversized Hoodie

artvar

$34.55

~~$57.59~~ (40% off)

zOS I Love Z Premium Oversized Sweatshirt

edwoodjnr

$35.46

~~$47.29~~ (25% off)

z Hardware Premium Oversized Hoodie

edwoodjnr

$31.67

~~$52.79~~ (40% off)

Adventurous Sir Quest Premium Oversized Hoodie

RidgwayFilms

$33.68

~~$56.15~~ (40% off)

2026 Winterlight in Elyria Premium Oversized Sweatshirt

Elyria Souvenirs and Gifts

$35.46

~~$47.29~~ (25% off)

I Love Elyria Premium Oversized Hoodie

Elyria Souvenirs and Gifts

$31.67

~~$52.79~~ (40% off)

Technomystica Elysian Clouds Premium Oversized Sweatshirt

Elyria Souvenirs and Gifts

$35.46

~~$47.29~~ (25% off)

Discs of Trump Premium Oversized Sweatshirt

luvthecubs

$38.69

~~$51.59~~ (25% off)

Mainframe Exemption ALT Premium Oversized Sweatshirt

YeoboPlay

$36.75

~~$49.01~~ (25% off)

Retro Fortran 56 Premium Oversized Hoodie

Lone Wolves

$39.73

~~$66.23~~ (40% off)

Pixel Green Bar Paper Premium Oversized Sweatshirt

Vampireslug's House of Pixels

$38.69

~~$51.59~~ (25% off)

Mainframe Tape Drive Premium Oversized Sweatshirt

Zern Liew

$43.52

~~$58.04~~ (25% off)

Mainframe Teletype Printer Premium Oversized Hoodie

Zern Liew

$38.87

~~$64.79~~ (40% off)

Artificial Intelligence: Mainframe Premium Oversized Hoodie

Moviebuff91

$34.55

~~$57.59~~ (40% off)

Gi. Joe Mainframe Premium Oversized Sweatshirt

andrahortyanan

$35.46

~~$47.29~~ (25% off)

Elyria Transit Sanctum Lightweight Hoodie

Elyria Souvenirs and Gifts

$29.91

~~$37.39~~ (20% off)

IBM Mainframe Icon – Retro Computing Minimalist Tech for Programmers & Sysadmins Premium Oversized Hoodie

VoglR

$33.97

~~$56.63~~ (40% off)

Rosefield Gardens Tea Room Premium Oversized Sweatshirt

Elyria Souvenirs and Gifts

$35.46

~~$47.29~~ (25% off)

Cardcaptor Sakura Premium Oversized Hoodie

mainframe110

$34.55

~~$57.59~~ (40% off)

Moonberry Cafe Premium Oversized Hoodie

Elyria Souvenirs and Gifts

$31.67

~~$52.79~~ (40% off)

Computron Premium Oversized Sweatshirt

Star Scream

$37.08

~~$49.44~~ (25% off)

Let's Hack The Mainframe Funny Computer Hacker Programmer Premium Oversized Hoodie

GrandeDuc

$34.55

~~$57.59~~ (40% off)

Accessing The Mainframe Premium Oversized Sweatshirt

Agora-Arts

$38.69

~~$51.59~~ (25% off)

A.I. Mainframe Logo Premium Oversized Hoodie

Moviebuff91

$34.55

~~$57.59~~ (40% off)

Bicameral Mind Premium Oversized Sweatshirt

Sara Crow

$40.30

~~$53.74~~ (25% off)

Let's Hack The Mainframe Funny Computer Hacker Programmer Premium Oversized Hoodie

GrandeDuc

$34.55

~~$57.59~~ (40% off)

A Young Promising COBOL Developer Pullover Hoodie

Nerd Romance Café

$31.49

~~$41.99~~ (25% off)

COBOL Will Outlive Us All — Post-Apocalyptic Mainframe Tech Humor Premium Oversized Hoodie

Nerd Romance Café

$34.55

~~$57.59~~ (40% off)

Rexx Premium Oversized Sweatshirt

RanyaPickl

$41.91

~~$55.89~~ (25% off)

Elyria Department of Tourism Official Seal Premium Oversized Hoodie

Elyria Souvenirs and Gifts

$31.67

~~$52.79~~ (40% off)

Fortran 56 Premium Oversized Hoodie

jacobcdietz

$35.99

~~$59.99~~ (40% off)

Megabyte - to corrupt & conquer Premium Oversized Hoodie

HazelGeek

$34.55

~~$57.59~~ (40% off)

Hacker Brain Premium Oversized Hoodie

BrianHackney

$34.55

~~$57.59~~ (40% off)

Mike the TV - ReBoot Premium Oversized Hoodie

HazelGeek

$34.55

~~$57.59~~ (40% off)

Pixelated Conductance Premium Oversized Sweatshirt

OmegaRedFan

$35.46

~~$47.29~~ (25% off)

Elite Cyberpunk Hacker Mouse/Rat Premium Oversized Sweatshirt

ArtificialEye

$41.91

~~$55.89~~ (25% off)

Tiny Cheeky Cyberpunk Hacker Mouse/Rat Premium Oversized Hoodie

ArtificialEye

$37.43

~~$62.39~~ (40% 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

Mainframe

Mainframe 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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Mainframe Sweatshirts & Hoodies

Worldwide Shipping

Secure Payments

Free Return

Local Support

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