Designed with your movement and comfort in mind, the ALGIZ 2.0 is a new and improved neoprene bootie creation with a compression shape to keep you secure and supported. These hummel® trainers boast a SPEEDCORE energy return system, TRIPLETECH upper construction and a TPU hotmelt reinforcement cage for excellent performance. For an increased lightweight experience, the engineered mesh created with recycled PET materials outer sits upon a biobased PEBAX® Rnew lightweight midsole foam, allowing you to keep moving without interruption.