adidas Performance Men's Stabil Boost II Volleyball Shoe 100% Synthetic Imported Rubber sole boost's energy-returning properties keep every step charged with an endless supply of light, fast energy Soft and supportive 3D layered mesh upper for breathability and light weight; Adituff for best abrasion resistance in the toe area Anti-slip lining provides a snug fit; Sprint plate stabilizes and guides the foot during jumping and landing Toe and heel stabilization bands for support and protection; External heel counter adds support Non Marking outsole made for optimal indoor use