These men's Speedo Lane jammers are ideal for swim training and fitness swimming. These skintight jammers hug the contours of your body to help create a more hydrodynamic in the water. Made with Speedo's Endurance10 fabric which provides great shape retention so that the jammers fit like new for longer! The material contains CREORA HighClo fibres which are able to withstand the effects of chlorine making this swimsuit less prone to degradation. The Endurance10 swimwear fabric is quick-drying and smooth to the touch, offering UVA & UVB protection from the sun.