This Summer ready shirt boasts the same athletic cut as our midweight Motion Tee, but is lighter, cooler and able to keep you dry when things get hot. Made of a bamboo viscose and polyester blend Bamboo is naturally odor resistant and moisture-wicking Short sleeve, crew neck, straight hem all around UPF 15+ sun protection, FF woven label on sleeve Specs Best Use: Casual, Activewear Fit: Lean Athletic fit Fabric: 70% Bamboo Viscose / 30% Polyester *Note: Due to the nature of the Lightweight Bamboo material and it's quick dry benefits, this garment will shrink upon multiple washes (even when hang drying, which is recommended).  We recommend selecting one size larger than you'd typically wear.