Sometimes a jacket is too much - that's where the Defend Fire Alpha Vest comes in. This fleece-lined vest features strategically placed Polartec® Alpha in the lining, helping you regulate your core temp and keep you warm without overheating. Constructed using stretch Cordura® for increased abrasion resistance and maximum mobility, plus a rear zip pocket to store essentials, this vest is a must-have for keeping you warm as the temperatures drop on the trail.