The mountains await. Trail running or hiking in cool weather can be hard to dress for. The Marmot Men's Approach Vest solves your problem in one fell swoop—maintain core warmth without overheating. M3 softshell fabric is highly breathable, abrasion resistant, water repellant; making it a pleasure to wear on your aerobic pursuits. Zippered pockets allow you to keep your valuables in place and the hand pockets are lined with a warm, soft material so you can get the feeling in your fingers back if it's bitter cold.