Bontrager Rhythm Women's Mountain Bike Short Trek Bikes Women's Trek Short Black On United States Bontrager Kalia Women's Cycling Tech Tee Trek Bikes Bontrager Vella Women's Cycling Short Garys Cycles Home of Trek Bikes. The bike short trend is here to stay and we especially love this style for its design detail and soft fabric. Elevate your workout with the Women's Bontrager Kalia Fitness Short by Trek Bicycle Corporation, offering a sleek and streamlined fit in classic black. These solid, pull on bike shorts feature an 8" (20cm) inseam and are crafted from a soft and stretchy blend of 84% Polyester and 16% Spandex for unrestricted movement. A single easy access pocket on the leg allows for convenient storage, while the yoga style wide waistband ensures a secure and comfortable fit. Machine wash and tumble dry for easy maintenance.