John Carmack Keen Shirt
Price range: $19.95 through $46.95
5.3 oz 100% Preshrunk Cotton • Machine Wash Cold • Tumble Dry Low • Do Not Bleach
US Estimated Arrival
Jul 15
Jul 16 - Jul 19
Jul 21 - Jul 27
Channel your inner tech pioneer with the John Carmack Keen Shirt, designed for developers, retro-gamers, and AI visionaries alike. Celebrating Carmack’s legendary transition from id Software’s groundbreaking 3D game engines to his latest quest for Artificial General Intelligence, this premium shirt bridges legendary gaming heritage with the future of tech. Crafted from an ultra-soft, breathable cotton blend, it delivers all-day comfort for long coding marathons or casual daily wear. The chest features a clean, high-contrast Keen Technologies logo, serving as a subtle nod to the ultimate code wizard himself. Built to endure countless washes without losing its shape or vibrant print, this tee offers a relaxed, modern fit perfect for any setup. It is more than just standard apparel; it is a wearable tribute to optimization, brilliant problem-solving, and the relentless pursuit of rewriting what is possible.
Shipping Carrier: UPS, USPS.
HIGH-QUALITY: proudly printed in the USA, using eco-friendly inks to make it a stylish and comfortable shirt!
SIZE: All sizes and all colors are available in our shop. Please refer to our measuring size guide in the pictures before you order! Thank you so much!
FAST SHIPPING: Shipped directly from the USA.
| Weight | N/A |
|---|---|
| Style | G500 T-Shirt, G500L Ladies T-Shirt, Z65 Crewneck Pullover Sweatshirt, Z66 Hoodie |
| Color | Black, Navy |
| Size | S, M, L, XL, 2XL, 3XL, 4XL, 5XL |
G500 / G200
Print colors may vary slightly from screen to garment due to the DTG process.
Classic unisex fit. If between sizes, size up for a relaxed fit.
How to Measure: Lay the garment flat. Measure width across the chest 1" below the armhole. Measure length from the highest point of the shoulder to the bottom hem.
All items are printed on demand. Please allow 2–5 business days for production before shipping.
G500 / G200 • 5.3 oz 100% Preshrunk Cotton
| Size | Width (in) | Length (in) |
|---|---|---|
| S | 18 | 28 |
| M | 20 | 29 |
| L | 22 | 30 |
| XL | 24 | 31 |
| 2XL | 26 | 32 |
| 3XL | 28 | 33 |
| 4XL | 30 | 34 |
| 5XL | 32 | 35 |
Width: Lay flat, measure across the chest 1" below the armhole seam.
Length: Measure from the highest point of the shoulder to the bottom hem.
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