Bring the hammer down on cold conditions when you wear the Hard Core Mens Hammer Hi-Bird Vest. This Hard Core vest sports a 100% polyester ripstop shell with 4-way-stretch fabric for the powerful combination of toughness and flexibility that moves with you. Strategic polyester-spandex panels enhance mobility. PrimaLoft Insulation in the Hard Core Hammer Hi-Bird Vest for men provides exceptional warmth without the weight or bulk of traditional waterfowl hunting vests. A vertical-zip chest pocket and zip handwarmer pockets keep digits toasty and store vital gear. Machine wash. Imported. Sizes: M-3XL. Camo Pattern: Mossy Oak Shadow Grass Blades. Type: Vests.