The men's Gel Sensei(tm) shoe from Asics(r) boasts a volleyball-specific Impact Guidance System (I.G.S.(r)) which allows your foot to work more efficiently during landing and jumping. It's uniquely engineered with a Biomorphic Fit(tm) that provides superior fit and comfort while decreasing the potential of irritation. The Dynamic Cradle(tm) enhances guidance and fit, while the NC Rubber(tm) outsole delivers traction on court systems.