3.5 oz./yd² (US), 5.8 oz./L yd (CA), 100% polyester sonic heather interlock; Moisture-wicking performance; UV 15-39 protection; Team fit; Cationic dyes to ensure superior brightness and excellent color fastness; Center front coil zipper with semi auto-lock slider and rubber pull; Transitioning from heat-seal label to tear away label;