Right now, get NBA shirts for the whole family as low as $5 at Lids.com. There are hundreds of items in this sale, many of which are at least 50% off. Shipping is free on orders of $49, but otherwise, it adds $4.99. The pictured Miami Heat NBA Muscle Tee drops from $29.99 to $5, for example. This is the best price online by $20. Or check out this adidas New York Knicks Derrick Rose Shirt, which goes from $28 to $10. This is the best price online by $9. This shirt is 100% cotton. Sales tax is charged in most states.