SmartWool Merino Sport 150 Boxer Briefs These Men's Merino Sport 150 Boxer Briefs are designed to perform no matter the trail/road/adventure you're on. These SmartWool Merino Sport boxer briefs are exceptionally comfortable with all the necessary technologies to keep you feeling your best. Featuring a slim fit, the boxers are designed to follow the contours of the body for a comfortable fit all day long. A double front panel has been added, designed to provide extra support, the Sport Boxer Briefs have a flatlock seam construction designed to help eliminate chafing. This construction ensures the garment sits comfortably against your skin, and a wide elastic, Merino-lined waistband is also designed for added comfort and keeps the garment in place. The briefs are made with a fabric that combines the sweat management, temperature regulation and odour resistance of Merino with the durability and quick drying time of recycled polyester. This garment is specifically made