Marmot Men's Reactor Vest Polartec Classic 100% Polyester Micro Fleece Imported Bonded Zippered Chest Pocket Versatile, warmth-boosting top layer is well-suited to outdoor aerobic activities or simply kicking around the house on weekends Polartec Classic fabrics are renowned for lightweight warmth and breathability; 100% polyester velour construction creates air pockets that trap air and retain body heat Flat lock construction and zippered handwarmer pockets Wind flap behind front zipper with chin guard and bonded zippered chest pocket Includes limited lifetime manufacturer's warranty