Rab Sonic Boxers Sonic The Boxers 2The Rab Sonic boxers are built for those with the need for speed. Fast-drying, quick-wicking, and breathable, they're built with Rab's lightest Motiv fabric, Motiv Aero. With its subtle mesh structure and featherweight feel, it offers complete comfort on and off the trail. They have a slim fit and soft, low-friction seams, ideal for hot hiking days, fast-paced mountain runs, and summer climbing. Finished with an odor control treatment, they're the perfect everyday boxers for the active lifestyle. Features Motiv Aero fabric that is lightweight and breathable Odor control treatment helps keep the stinkies away Microactive low bulk seams for strength and comfort next to skin Sizing Size XX-Small Extra Small Small Medium Large Extra Large XX-Large Chest (in)34"35. 5"37"40"43"46"48"Waist (in)27"28"30"32"34"36"39"Arm Length (in)32"33"33"34"35"36"36" | Rab | Sonic Boxers Men's | Size Extra Large In Beluga Black