Sports Authority offers the adidas Men's Bercuda 3 Tennis Shoes in White/Black for $49.98. In-cart, it drops to $39.98. With free shipping, that's the lowest total price we could find by $10, although we saw these shoes in another color for $5 less last summer. They're available in sizes 10 to 12.

Update: Price has dropped to $37.48 in-cart.