Description ***Sitka&';s Standard Fit is designed to accommodate layering for added versatility across early to late season conditions. The Sitka Jetstream Vest is a windproof, breathable softshell vest designed to provide core protection without restricting mobility. Built with GORE-TEX INFINIUM(TM) with WINDSTOPPERA(R) technology, it blocks cold wind while allowing moisture to escape during active movement. The quiet, durable face fabric makes it ideal for spot-and-stalk hunting, while the streamlined fit layers easily over base layers or under outer shells. Perfect for variable conditions, early mornings, and high-output hunts, the Jetstream Vest delivers dependable warmth and weather protection where it matters most. Sizing Size Chest Sleeve Small 36-38" 33" Medium 39-41" 34" Large 42-45" 35" X-Large 46-49" 36" XX-Large 50-53" 37" XXX-Large 54-57" 38" How to Measure: Chest Measure around the fullest part of your chest, keeping the tape under your arms and across your shoulder blades. Sleeve Bend your elbow and place your hand on your hip. Measure from the center back of your neck, across your shoulder, down your arm, over the elbow, and to the wrist bone. Specs Weight 15.2 oz - Large Material WINDSTOPPERA(R) by GORE-TEX LABS Manufacturer Warranty Lifetime coverage for defects in workmanship or materials