·85% Polyester, 15% Elastane, Fleece Lined; Please see size chart image on the left for correct sizing
·Lightweight, fast-drying exterior material wicks sweat away keeps your kids cool and comfort at practice
·Skin Compression Fit Support and wrap sports muscle groups for a true compression fit, improves blood flow and oxygen supply, reduce the risk of injury, keeps your kids warm enough, but cool dry
·The boys thermal underwear set as a perfect cold gear keeps your kids warm and comfortable during cold games, it's great for football, basketball, baseball, soccer, yoga, softball, track, cross country, gym class