Garments here are measured in inches. T-shirt sizing follows the "Basic EFF T-Shirt" measurements unless otherwise noted in the garment description. Get our newest design when you join or renew your membership!
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Standard EFF T-Shirt, Classic Fit
Standard EFF T-Shirt, CLASSIC FIT (Fruit of the Loom HD Cotton, 100% Cotton)
Standard EFF T-Shirt, Slim Fit
Fix Copyright T-Shirt, Youth Fit
NSA Spying T-Shirt, Unisex
Motherboard EFF Hooded Sweatshirt
Stay Golden EFF Hooded Sweatshirt
Roomy, mid-weight fabric with a straight cut through the trunk. This includes EFF's new Cityscape T-Shirt and Fix Copyright T-Shirt.
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Size | Length | Width Under Arms |
| S | 28" | 17" | |
| M | 29" | 19" | |
| L | 29" | 21.5" | |
| XL | 31" | 24" | |
| 2XL | 32" | 26" | |
| 3XL | 33" | 28" |
Standard EFF T-Shirt, SLIM FIT (Bella+Canvas, 100% Cotton)
Super-soft and stretchy cotton with modern fit looks great on all bodies. This includes the EFF35 Cityscape V-Neck and Fix Copyright T-Shirt.
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Size | Length | Width Under Arms |
| XS | 27" | 15" | |
| S | 28" | 16" | |
| M | 30" | 18" | |
| L | 30" | 20" | |
| XL | 32" | 22" |
Fix Copyright T-Shirt, YOUTH FIT (Bella+Canvas, 90% Cotton/10% Polyester)
Super-soft and stretchy poly-cotton great for kids.
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Size | Length | Width Under Arms |
| S | 21" | 14" | |
| M | 22" | 15" | |
| L | 23" | 16" | |
| XL | 24" | 17" |
NSA T-Shirt, Unisex (Tultex 202, 100% Cotton)
Soft and stretchy cotton with modern fit looks great on all bodies.
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Size | Length | Width Under Arms |
| S | 28" | 18" | |
| M | 29" | 19" | |
| L | 30" | 21" | |
| XL | 30" | 24" | |
| 2XL | 32" | 26" | |
| 3XL | 33" | 27" |
EFF Motherboard Hooded Sweatshirt (Gildan)
Unisex standard fit. 50/50 polycotton with minimal shrinkage and silver zipper. This roomy fit looks great on all bodies.
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Size | Zipper Length | Width Under Arms | Mid-Neck to Wrist Length |
| XS | 21.5" | 18" | 29" | |
| S | 22.5" | 19" | 32" | |
| M | 23.5" | 20" | 33.5" | |
| L | 24.5" | 22" | 35" | |
| XL | 25.5" | 24" | 35.5" | |
| 2XL | 26.5" | 26" | 36" | |
| 3XL | 27.5" | 28" | 37.5" |
Standard EFF Hooded Sweatshirt (AS Color)
Unisex standard fit. Heavier-weight 20/80 polycotton with minimal shrinkage, raglan sleeves, and gunmetal zipper. This roomy fit looks great on all bodies.
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Size | Zipper Length | Width Under Arms | Mid-Neck to Wrist Length |
| XS | 22" | 17.5" | 33" | |
| S | 24" | 19" | 33" | |
| M | 25" | 21" | 34" | |
| L | 25.5" | 21.5" | 34" | |
| XL | 26.5" | 23" | 35" | |
| 2XL | 27" | 24" | 36" | |
| 3XL | 28" | 25" | 38" |