Nike x MMW Underwear White Alyx founder and creative director Matthew M. Williams is known for his ability to push fashion into new spaces. His ethos is simple: combine the influence of his life in New York and California with the latest innovations. The Nike x MMW Underwear springs from that belief, delivering comfort and support where you need it most. - 68% Polyester. 17% Lyocell, 15% Spandex - Stretchy Knit Fabric - Elasticated Branded Waistband - Style Code: CK1546-100