This lightweight and breathable basic crew tee is a go-anywhere, do-anything men's bamboo shirt. The Nathan Short Sleeve Tee is snug enough to wear as an underlayer and substantial enough to stand alone. Generous length, modern fit, and comfortable neckline. Our signature-soft bamboo fabric tailored for men! Favorite Pairings: Joey Hoodie, Zach Jogger Fabric: Organically Grown Bamboo Viscose Jersey Like a second skin, our bamboo viscose jersey provides incredible softness, breathability, and sun protection. • 95% Viscose from Bamboo | 5% Spandex • Sewn Where Sourced on Small Sewing Floors • Low Impact Dyes • Oeko-Tex 100 Certified • Naturally up to UPF 50 (Ultraviolet Protection Factor)