For the Ones Who Leave It Better Than They Found It.

The Keep The Trail Hiking Muscle Shirt is built for people who actually go outside — and care about what they find when they get there. Soft, relaxed, and cut with wide low-cut armholes for full freedom of movement, whether you're on a summit, a yoga mat, or just living your best trail life.

Why You'll Love It

100% airlume combed ring-spun cotton — exceptionally soft, wash after wash
4.2 oz/yd² fabric weight — lightweight and breathable for warm-weather adventures
32 singles thread weight for a smooth, premium hand feel
Relaxed fit with side-seamed construction — clean lines, no twisting
Wide, low-cut armholes for unrestricted movement
Available in Black and White — sizes S to 2XL

Made On Demand — Made With Purpose

Every shirt is printed specifically for your order — no overstock, no waste. Blank sourced from Nicaragua, Honduras, or the US. Because keeping the trail means keeping the planet in mind too.

Size Guide

	SHIRT WIDTH (inches)	SHIRT LENGTH (inches)	CHEST TO FIT (inches)
S	18	26	34-37
M	20	27	38-41
L	21 5/8	28	42-45
XL	23 5/8	29	46-49
2XL	25 5/8	30	50-53

	SHIRT WIDTH (cm)	SHIRT LENGTH (cm)	CHEST TO FIT (cm)
S	45.7	66	86.4-94
M	50.8	68.6	96.5-104.1
L	53.3	71.1	106.7-114.3
XL	58.4	73.7	116.8-124.5
2XL	63.5	76.2	127-134.6