Design: Design details from the double disc and original disc silhouettes In-Shoe Comfort: Full-length ProFoam midsole PUMA® proprietary High rebound EVA for lightweight rebound and energy return CPU strap which runs from the forefoot to the medial midfoot provides lockdown PUMA® disc system alternative closure keeps the foot and ankle in place Durability & Traction: Full coverage rubber outsole with PUMA®’s high abrasion, sticky rubber compound which has enhanced durability and traction