The Matthew M. Williams x Wmns Free Trainer 3 Flyknit SP is a high-performance trainer that perfectly captures the adaptability needed for a contemporary lifestyle. Developed in collaboration with the renowned British designer Matthew M. Williams, this particular version in a sleek 'Black' colorway features a snug sock-like bootie design with durable molded overlays, a TPU mudguard, and dual straps for optimal stability and containment. Designed for all terrains, the detachable crampon rubber sole incorporates innovative Vibram technology, ensuring unparalleled versatility and support both indoors and outdoors. Launched in June 2019, this technical trainer is an embodiment of style and functionality.