Semi-compression fit comfortably skims the body without squeezing; Longline hem stays tucked in during every activity level; Raglan style sleeves reduce shoulder restriction for added comfort and mobility; Easily layers under low-profile or overt pieces to increase performance in the field; Gusseted underarm provides increased range of motion; Hidden mini stash pocket lets you pre-load items up to 2" long; Stretch flatlock sleeve and main body seams; Soft, stitchless printed size label; 4-way stretch knit fabric; 65 oz. 58% Polyester / 42% 37.5 Polyester