The Speedo Boys' Motionkick Placement Panel Jammer provides great comfort & shape retention, swim after swim. Endurance 10 fabric is up to 10 times more chlorine resistant than unprotected elastane, durable & resistant to snagging. Features Ideal for racing or training Bright printed panel down the leg Jammers offer a smooth, sleek outline in the water & more coverage than an aquashort Endurance 10 fabric is up to 10 times more chlorine resistant than unprotected elastane Durable, snag resistant fabric More resistant to sunscreen compared to traditional swim fabrics 2 way stretch offers freedom of movement & a better fit Soft touch fabric is comfortable even in longer training sessions Quick drying Drawstring waist for a secure fit