BYLT Premium Basics The BIOS Short with Liner Size Large Gray. Great pre owned condition owned condition. SP/SU 2024 7" inseam Comfort waistband Zip pockets Premium drawcords One short, perfected for every occasion—from a hike to social hour or a quick swim. The all-adventure short blends tech-forward design with an elevated look, transitioning seamlessly between activities. With a new fabric blend for stretch and durability, and targeted vents with mesh pockets for breathability, it’s the short you can always depend on.