Water resistant mesh upper Lace up closure ProFoam Lite midsole Puma grip rubber outsole Max Cushioning Meets Max Comfort In A Shoe That Will Take Every Run To The Max. With The Thickest Piece Of Nitro Foam In Our Entire Line Of Nitro Models, These Shoes Are Soft, Comfortable And Made To Last. And Thanks To Pumagrip, A Durable Rubber Compound, They'll Give You Unbeatable Traction No Matter What Surface You're Running On. It's Time To Get Out There.