58% Polyester / 30% Recycled Polyester / 12% Elastane Stretch To Give Full Range Of Motion Ribbed Collar All Over Print Opti•Dri™ Wicks Away Moisture To Keep You Dry Made With 30% Recycled Polyester Model Is 6'1" And Wears Size Medium Machine Wash Opti-Dri™ Transfers moisture away from your body to keep you cool and dry.