SHOP Shop new and used sports equipment up to 70% off – everything from hockey skates and golf clubs to lacrosse sticks and baseball gloves. SELL Sell in minutes – snap a photo, set a price, and receive a prepaid shipping label when the item sells. Cash in on last season’s gear, or list that old bike - or pair of skis - cluttering your garage. JOIN Join the leading marketplace for athletes. Buy and sell with hundreds of thousands of SidelineSwap users across the world.