DUI DuoTherm II 300 Vest

A layering vest that adds about 5°F of extra insulation to your core, recommended for water from about 45 to 60°F. Wear it over a jumpsuit or base layer when you want a little more warmth without changing your whole system. Heavy stretch fleece (560 gm/m2) with a pill-resistant outer jersey and DUI's Active Wicking Technology.