Sports Authority is a full-line sporting goods chain in the United States, operating over 450 stores in 45 U.S. states. The company offers in-store as well as online shopping for various brands, including Nike, Under Armour, Schwinn, Lifetime and others. It provides an assortment of merchandise, including fitness machines, sports apparel and footwear, team sports equipment, action sports goods, fitness accessories and more. Some of the company's products include treadmills, exercise bikes, dumbbells, home gyms, snowboards, skis, skates, bikes, golf products, yoga gear and trampolines. Additionally, Sports Authority stores offer delivery and assembly services on store goods, in addition to ski and snowboard rentals, skate sharpening, racquet stringing and golf trade-in programs.