Mesh: 89% Nylon, 11% Elastane Rib: 97% Cotton, 3% Elastane Pockets: 95% Cotton, 5% Elastane Body: 70% Cotton, 30% Polyester Ribbed panels at the sides and under the arms for added mobility Front pockets with an interior media pocket Thumbholes help keep sleeves down and hands warm Elastic zipper pull doubles as an emergency hair tie