Nike Pro Hypercool Vapor Skull Cap 4.0 ( Red/ Black/ White Wide elastic waistband for a secure fit. 7.5 cm inner seam allows free movement. Dri-FIT technology moves sweat from your skin for quicker evaporation-helping you stay dry, comfortable and focused. Contents: 80% Polyester, 11% Rubber, 9% Spandex Strategicaltly placed Nike Hypercool material for ventilation and breathability where it’s needed most Dri-FIT fabric to wick sweat away and help keep you dry and comfortable Flat lock construction allows for better fit and zero distractions Nike Pro Branding