Based on our popular Approach Jacket, this M3 softshell vest is soft, stretchy, and perfect for cool weather outings when core coverage is what's called for. Zippered pockets store your essentials and warm your hands while you're at rest, and reflective logos stand out at night. Based on Marmot's popular Approach jacket, this M3 softshell vest is soft, stretchy, and ideally suited to cool weather outings when core coverage is what's called for. Marmot M-series fabric is designed for moving light and fast, combining stretchable, water-repellent, abrasion-resistant, and highly breathable shell materials with insulating buffer materials on the inside. Zippered pockets store your small essentials and warm your hands while you're at rest, and reflective logos stand out at night.