Take 30% off Calvin Klein men’s underwear for their Memorial Day Sale. Plus, an extra 20% off applies to purchases of $100 or more. We’ve pictured the Calvin Klein Men’s Ultra Soft Modal 3-Pack Trunk for $41.65 ($18 off). Shipping adds $9.95, but orders of $75 or more ship for free. Exclusions apply. Sale ends May 26, 2026. Buy Now at Calvin Klein