13 Deals offers the Reebok Men's RBK Fitness Shorts in Black or Navy for $9.49 with free shipping. That's tied with our mention from a week ago as the lowest total price we've seen. (It's a current low for such a pair by $3.) They're available in sizes L XL to XXL, although not in all size/color combinations.
Men's Wearhouse cuts up to 50% off a selection of men's shorts and pants, with prices starting at $10.99. (Prices are as marked.) Plus, Perfect Fit Rewards members receive free shipping. (Not a member? It's free to join.) A couple of best bets: