Spun polyester has an exceptionally soft hand and feel; Four way stretch for unlimited movement; Relaxed fit for casual or performance wear; Activated carbon enhances thermal regulation and odor blocking properties; Moisture Transfer Fibers move moisture away from skin to keep you dry; Hot Chillys signature elastic waist band; Front fly; UPF 30 protection; 86% Polyester, 14% Spandex; Inseam size medium: 29.5"