Venum Fusion Compression Long Sleeve 100% Polyester Venum compression technology: provides the optimal pressure area on muscle to make you Go harder, for longer and recover faster Spandex 4-way construction: permits a full range of motion Dry Tech fabric: facilitates sweat evaporation, keeping you fresh Ergonomic seams and rubber band around the waist to maintain your gear perfectly in place Super soft and durable fabric for a day-to-day comfort