Worn once ordered a size too big. Adidas 4DFWD 2 redefines forward motion combining the unique, groundbreaking innovation of a 3D printed midsole with a new upper construction and a Continental outsole for extra grip. With every stride, the adidas 4DFWD 2 midsole compresses forward, reducing braking forces and transforming the impact energy into forward motion. The result is a smooth ride with less stop-and-go pounding on pavement. The Continental outsole grippy rubber outsole provides traction on wet and dry surfaces to keep you going in all conditions, and the adidas PRIMEKNIT+ upper wraps the foot with a new fit that enhances movement. The PRIMEKNIT and the stripes are made with reflective material to help you stay seen. Made with a series of recycled materials, this upper features at least 50% recycled content. This product represents just one of our solutions to help end plastic waste. DESIGN: adidas® Primeknit upper wraps the foot in adaptive support and ultralight comfort Upper is engineered from heel to toe for unrivaled softness that enhances touch and feel Adaptive, engineered Sockfit collar expands to support your foot with every move Lace closure