Amazon offers the Tapout Men's Takedown Active Shorts in Black for $8.24. Coupon code "20SPRBREAK" drops it to $6.68. Plus, Amazon Prime members bag free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise it adds $5.48.) That's the lowest total price we could find by $30. They're available in sizes S to XXL. Coupon expires March 9.
Note: They're also available in Gargoyle Grey for $6.61 after the above coupon.