Material is made from 92% Polyester, 8% Spandex with a Zipper closure. The 5 IN 1 Set Compression outwear+Long sleeve+short sleeve+ running shorts + compression leggings,ultra-soft & smooth for extreme comfort with very little weight.It is a breathable material, skin-friendly, slim-fit and tight-fitting, perfectly show your muscles and good figure. And protect your muscles during your muscle training. Work out the perfect figure. Quick-drying and quick-drying, they cool you down when in hot and warm you up when in cool.take away moisture from the skin, keep cool and dry during exercise, suitable for all seasons.