Upper: Flyknit, Mesh, Recycled Polyester. Lining: Mesh, Moisture Wicking, Recycled Polyester. Insole: Synthetic. Midsole: Dual Density, PU (Polyurethane). Outsole: Slip Resistant. 5 Eyelets. Anti-Static, Composite Safety Toe, Energy Absorbent Heel, Heel Loop, Metal Free, Padded Collar, Padded Tongue, Pull Tab, Toe Cap. Flat Heel. Cut: Low Cut. Design: Plain, Recycle Logo. Toe Style: Round. Fastening: Lace Up. Ref: UTPC8215