BRAND NEW With Box NITRO Infused Midsole- NITRO ELITE foam midsole for lightweight, responsive cushioning EXOShell- Upper material with engineered mesh to provide structure, fused underneath TPU Film that provides support, and a 1-year waterproof warranty ALPHACAT OUTSOLE- multi-material outsole that combined with a high-durometer, abrasion resistant TPU perimeter provides a stable chassis underneath your foot while multiple shapes of lugs provide outstanding ground-gripping traction