Our Tin Cloth PrimaLoft® Vest shrugs off rain, snow, mud, and flying wood chips. The waxed-canvas shell fabric is tightly woven 100% cotton treated with liquefied wax under high heat and pressure. This provides lasting water resistance. The fabric's tight weave makes it exceptionally abrasion-resistant. It also makes it difficult for any punctures to develop into tears. Oil finish Tin Cloth can be rewaxed as often as needed to maintain water-resistance for decades of reliable service. PrimaLoft® is a lightweight synthetic insulation engineered to mimic the heat-trapping ability of goose down, while maintaining the ability to insulate even when wet. The 100g PrimaLoft® Gold used in this vest has been tested to retain 98% of its warmth in soaking conditions. With zippers securing the fleece-lined hand and single chest pockets, your essentials will remain safe.