Tough, durable, sleek rip-stop EVA nylon delivers excellent sauna action during training and workouts for increased sweating and moisture loss. All new thinner EVA nylon reduces bulk and creates a more comfortable wear. Complete set includes long sleeve top and pants. Rugged elastic surrounds the neck, cuffs, waist, waistline and ankles for unbelievable air retention and sauna action. Oversized fit provides top results.