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T-Shirt Size Chart

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!

Jump to a Style

Watching the Watchers & NSA T-Shirt, Unisex
Watching the Watchers T-Shirt, Women's
Fuzzy Monogram T-Shirt, Unisex
Fuzzy Monogram T-Shirt, Women
Unisex T-Shirt
Women's T-Shirt
Standard EFF T-Shirt, Classic Fit
Standard EFF T-Shirt, Slim Fit
Standard EFF Hooded Sweatshirt
Grey 2019 Member T-Shirt, Universal Fit
Barlow Frontier T-Shirt, Classic Fit
Barlow Frontier T-Shirt, Slim Fit

Watching the Watchers & NSA T-Shirt, Unisex (Tultex 202, 100% Cotton)
Soft and stretchy cotton with modern fit looks great on all bodies.

Watching the Watchers T-Shirt Size Length Width Under Arms
S 28" 18"
M 29" 19"
L 30" 21"
XL 30" 24"
2XL 32" 26"
3XL 33" 27"

 

Watching the Watchers T-Shirt, Women's (Tultex 213, 100% Cotton)
Slim-fitted t-shirt, gently tapered at the waist with shorter sleeves. Soft and stretchy cotton.

Watching the Watchers T-Shirt Size Length Width Under Arms
S 25" 16.5"
M 26" 17.5"
L 27" 18.5"
XL 28" 19.5"
2XL 29" 20.5"

 

Fuzzy Monogram T-Shirt, Unisex (Fruit of the Loom HD Cotton, 50% Cotton, 50% Poly)
Roomy, mid-weight fabric with a straight cut through the trunk. Dark heather fabric. Flocked velvet-touch lettering.

Fuzzy Monogram T-Shirt Size Length Width Under Arms
S 28" 17"
M 29" 19"
L 29" 21.5"
XL 31" 24"
2XL 32" 26"
3XL 33" 28"

 

Fuzzy Monogram T-Shirt, Women (Bella Relaxed Heather CVC, 52% Cotton, 48% Poly)
Gently tapered at the waist with shorter sleeves. Dark heather fabric. Flocked velvet-touch lettering.

Fuzzy Monogram T-Shirt Size Length Width Under Arms Approx. Dress Size
S 25 18 2-6
M 26 20 6-10
L 27.5 22 10-14
XL 29 24 14-18
2XL 30 26 18-22
3XL 31 28 23-27

 

Unisex T-Shirt (Fruit of the Loom HD Cotton, 100% Cotton)
Roomy, mid-weight fabric with a straight cut through the trunk.

EFF Logo T-Shirt Size Length Width Under Arms
Youth 6/8 20" 16"
S 28" 17"
M 29" 19"
L 29" 21.5"
XL 31" 24"
2XL 32" 26"
3XL 33" 28"

 

Women's T-Shirt (Bella Relaxed Heather, 100% Cotton)
Gently tapered at the waist with shorter sleeves.

Women's T-Shirt Size Length Width Under Arms Approx. Dress Size
S 25 18 2-6
M 26 20 6-10
L 27.5 22 10-14
XL 29 24 14-18
2XL 30 26 18-22
3XL 31 28 23-27

 

Standard EFF T-Shirt, CLASSIC FIT (Fruit of the Loom HD Cotton, 100% Cotton)
Roomy, mid-weight fabric with a straight cut through the trunk.

EFF Logo T-Shirt Size Length Width Under Arms
Youth 6/8 20" 16"
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 poly-cotton with modern fit looks great on all bodies.

EFF Logo T-Shirt Size Length Width Under Arms
XS 27" 15"
S 28" 16"
M 30" 18"
L 30" 20"
XL 32" 22"

 

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.

Stay Golden Hooded Sweatshirt Size Zipper Length Width Under Arms Mid-Neck to Wrist Length
XS 22" 17.5" 28"
S 24" 19" 29""
M 25" 21" 30.5"
L 25.5" 21.5" 31"
XL 26.5" 23" 31"
2XL 27" 24" 32.5"
3XL 28" 25" 33"

 

Grey 2019 Member T-Shirt, Universal Fit (Bella+Canvas 52% cotton, 48% polyester blend)
Super-soft and stretchy poly-cotton with modern fit and short V-neck looks great on everyone. Front and back print.

EFF Grey 2019 Member T-Shirt Size Length Width Under Arms
XS 27” 15”
S 28” 16.5”
M 28” 19”
L 29” 21”
XL 31” 23.5”
2XL 32” 25”
3XL 32.5" 27.5"

 

Barlow Frontier T-Shirt, CLASSIC FIT (Fruit of the Loom HD Cotton)
Roomy, mid-weight fabric with a straight cut through the trunk. Front and back print.

Barlow Frontier T-Shirt Size Length Width Under Arms
S 29" 17"
M 29" 19"
L 29" 21.5"
XL 31" 23"
2XL 32" 25"
3XL 32.5" 27.5"

 

Barlow Frontier T-Shirt, SLIM FIT (LA Apparel)
Super-soft and stretchy poly-cotton with modern fit looks great on all bodies. Front and back print.

Barlow Frontier T-Shirt Size Length Width Under Arms
XS 27" 15"
S 28" 16.5"
M 28" 19"
L 29" 21"
XL 31" 23.5"