adidas Performance 2016 MLS Glider Soccer Ball, White/Shock Blue/Black, 1 Part of the MLS Soccer collection, the design is inspired by the three MLS pillars of club, country, and community Machine stitched construction and internal nylon wound carcass for maximum durability and long-lasting performance Special TPU exterior material is designed to resist abrasion and last longer Butyl bladder for best air retention to keep the ball's shape and stay inflated longer Ball ships deflated. Inflation is required. Pump not included.