ULTRABOOST UNCAGED SHOES Featuring a stripped-down design for more freedom of movement, Ultraboost Uncaged raises the bar for that best-run-ever feeling. These men's neutral running shoes are cage-free for a freer range of motion. An adidas Primeknit upper offers integrated support, while a Boost midsole delivers energy-returning cushioning for a powerful push-off. The grippy outsole offers superior traction in wet or dry conditions. Runner type: Neutral shoes offer flexibility and versatility, with premium cushioning Boost is our most responsive cushioning ever: The more energy you give, the more you get adidas Primeknit upper wraps the foot in adaptive support and ultralight comfort; Sockfit upper for a snug, supportive fit; Internal reinforcements for support and locked-down fit Torsion System between the heel and forefoot for a stable ride Fitcounter moulded heel counter provides a natural fit that allows optimal movement of the Achilles Continental Rubber outsole for extraordinary traction in wet and dry conditions; Stretchweb rubber outsole flexes underfoot for an energised ride Weight: 304 g (size UK 8.5) Midsole drop: 10 mm (heel: 29 mm / forefoot: 19 mm) Main materials: Textile and synthetic upper / Textile lining / Rubber outsole