Nike Wool Classics Crewneck Sweatshirt Pure. Its clean style and solid color make this crewneck a classic to add to your daily rotation. Using a premium blend of wool and cotton, this one is made for elevated, everyday comfort. * 52% Cotton, 43% Wool, 5% Nylon * Relaxed Fit * Embroidered Branding at Sleeve * Ribbed Collar, Cuffs and Hem * Style Code: FV4883-901