Men's Convex VestMost vests are either too warm (sweating through your base layer) or too breathable (might as well be wearing mesh). The Convex Vest solves this with CORE CONSTRUCTION a woven membrane integrated into the fabric that blocks wind and water while still letting your body regulate temperature. You stay dry from the outside and the inside. Built for the person who needs to move fast in changing conditions. Early morning approaches when it's cold. Midday