The Sitka Gear Men's Kelvin LT Jacket delivers total performance in a low-profile design for maximum effectiveness. This SITKA jacket has PrimaLoft Silver Insulation- 60-gram in the torso, 40-gram in the sleeves and hood- for warming power without excess weight or bulk. Wind- and water-resistant face fabric repels light precipitation and icy breezes. High-stretch Alpha fleece side panels enhance mobility and range of motion, and strategically placed pockets give you easy access even while wearing waders or bibs. It's the best hunting jacket when you want everything except compromise. Features100% polyesterLow-profile design with total performancePrimaLoft Silver Insulation: 60-gram in torso, 40-gram in sleeves and hoodWind- and water-resistant face fabricHigh-stretch Alpha fleece side panelsStrategically placed pockets accessible with waders and bibsWearable alone or as a mid-layer