New 170 Wine Skin Tights Compression Base Layer Long Sleeve Mens T Shirt polyester PERFORMANCE - All-season baselayer that keeps you cool when it's hot, and warm when it's not COMFORT - High quality fabric that provides excellent fit and shape retention - please refer to size chart Moves moisture away from the body for ultimate comfort UVA/UVB Protection - Take Five compressoin protects your skin from UVA/UVB radiation during your outdoor workout Lightweight, breathable poly/spandex Hydrology compression fabric with stretch