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Just right for extra warmth on the trail, this lightweight layer is versatile enough to wear under a shell or alone and we offer it at a great price. Warm PrimaLoft One polyester insulation is highly compressible, so each piece easily packs small into a side pocket. Ultralight ripstop nylon shell is treated to shed water and block wind. Permanent antistatic finish ensures a cling-free fit with other layers. Full zip and Lycra® elastane-bound armholes and hem. Imported. Machine wash and dry.