Fit Men's Tru-Fit MTB Sizing - Enduro style loose fit sizing. We recommend sizing up if you wear body armor under your jersey. Product Overview Take on epic bike park sessions and singletrack adventures with the Gravity Jersey, designed for mountain bikers who need durable and breathable performance. This MTB jersey is built from mid-weight, 100% polyester fabric, combining wallet-friendly pricing with features that keep you cool, comfortable, and dry. Key Features Durable and Breathable: Our Gravity jerseys are made from an innovative 100% Polyester mid-weight fabric that is both breathable and durable Stay Dry: Dries quickly, wicking away sweat and moisture No Cling: Fabric doesn't stick to your skin when sweating and provides freedom of movement and comfort Full Mesh Sides: Full mesh side panel and underarm provides maximum airflow