Rubber front sole; Slip-on style with a durable, long-lasting, and innovative fabric that adheres to the foot Closed toe styling offers hygienic protection and support for real stability with optimal performance Graduated lines positioned on either side of the foot promote stretch and recovery-becoming one with you as you move Reinforced heel cup of the CONTOUR is engineered with Dynamic Resistance Technology, designed to support, hold, and promote shock absorption Sizing: SAME as STREET SHOE SIZE. If you are a 1/2 size, we suggest going UP. For Men: 1 to 1 1/2 up from street shoe