Super lightweight rip-stop nylon outer with thin water repellent inside liner for an excellent sauna action with every workout. Set includes both long sleeve top and full length pants. Extra durable, yet lightweight material is super strong and approved for most training activities both inside and out. Pullover top includes full elastic neck collar, sleeve cuffs and waist band to help keep warm air in for greater sauna action. Pro style pants have a reinforced crotch, full elastic waistband and ankle cuffs to help keep snug and secure during intense action.