What Our Gearhead(R) Experts Are Saying: "I like these for faster runs and race efforts when chafing isn't an option. The inner boxer stays put, the outer layer feels light and unrestrictive, and nothing bunches up when the pace ramps. They feel dialed for speed without extra bulk." When the goal is to move fast and stay comfortable doing it, we reach for the Sense Aero 2in1 4in Shorts. Designed by Salomon for runners who thrive on speed, these shorts balance minimalist coverage with a supportive feel that stays out of the way as the miles tick by. A lightweight inner boxer helps prevent chafing and adds next-to-skin comfort, while the outer short keeps things light and breathable. Stretch fabrics move naturally with every stride, and the fitted cut ensures everything stays secure when pace and intensity rise. From tempo runs to race-day efforts, the Sense Aero 2in1 Shorts are built to keep us focused on speed-not distractions.