Lids discounts a selection of NFL hats to $10 via coupon code "10NFLHAT". Shipping adds $4.99, although orders of $50 or more bag free shipping. (In-store pickup may also be available.) Some exclusions apply. Deal ends August 23. A couple of best bets:

Houston Texans New Era 9Fifty Snapback Cap for $10 ($25 off)

Denver Broncos New Era 39Thirty Cap for $10 (pictured, $20 off)

Note: Clearance items are final sale and cannot be returned.