Nivia Force Futsal Is Made Up Of A Synthetic Leather Upper For Minimal Water Absorption. Made For Indoor Use With Superior Stability And Traction. The Pu Synthetic Leather Upper Will Encase Each Foot In Durable Comfort. It Creates A Better, Healthier Environment For Your Feet To Thrive In. The Construction Produces An Irritation-Free Fit, Reducing Bulk, Layers, And Weight Lacing System Works To Deliver An Anatomically Correct Fit. Two Layers Of High-Density Foam Line The Collar And Mould To The Athlete'S Foot To Create A Personalised Heel Fit,Adding Soft Support And Custom Comfort. Standard Adjustable Nylon Lace. A Die-Cut Soft Cushion Sockliner Exists As An Extra Layer Of Plush,Step-In Comfort. Lightweight Insoles Provide More Comfort And Grip. The Tpu Sole Provides Excellent Stability And Traction.