CAUTION!!!: You're in for a hot and wild ride with this SUPER SEXY (and wickedly funny) Yellow training suit jacket. It's made of nylon and will warm you up for the workout you've got planned. If you're on hot n 'versch witzte game, this is the perfect jacket for you! When you start to sweat, the fabric clings to your bodyIn the best way possibleAnd sheer. Want the top to match the bottom? Check out the Mati ching training pants in shiny nylon!