Tesla Mens Compression Base Layer Shirt & Short 1 Set R05BSS07BB 92-percent-polyester-8-percent-spandex Tight fitting - like a second skin. Use the size chart to select your size. If you prefer a looser fit, go up a size. Tesla is one of the best quality and value sports compression Baselayer and sportswear brands on the market. Suitable for all sports indoors and outdoors. Please see product description for full product benefits. Twinpack: 1 Shirt & 1 Pair of Shorts Garment Care : Machine Washable