Marmot Flash Sweater:
The lightweight and highly breathable Marmot Flash Sweater is an optimal insulating middle layer for mountaineering and backpacking at altitude. Marmot's WrapSure™ Encapsulation Technology helps keep you warm while the Angel-Wing Movement™ design gives you the mobility you need for climbing and scrambling with a load on your back. The plush, quilted insulation design helps retain core body heat while you're at rest or in motion.
