Nike ISPA Link Sneakers Black / Enigma StoneNike s ISPA collection focuses on making sneakers with as few materials as possible. The ultra-soft foam midsole and breathable mesh upper offer unrivaled comfort and mobility, also in connection with the circular economy concept. Knit Upper Constructed with Interlocking Components Heel Pull Tab Embroidered Branding Foam Midsole Rubber Outsole Style Code: CN2269-003.