The ArcticShield Heat Echo Light Jacket and Pant feature Retain™ Active technology, which efficiently retains body heat and provides thermal insulation. The product is breathable, and extremely thin and stretchable, providing agility to move freely. The water-resistant, windproof, breathable Heat Echo Light jacket is constructed of a bonded fabric using a nylon shell with fleece interior. This fleece interior contains bamboo charcoal fibers which offer natural scent minimization and heat retention qualities. The jacket has zippered chest pockets and zippered side pockets to store your essentials, and an adjustable draw cord waist to cinch up to keep wind and rain out. The ArcticShield Heat Echo Light Pant features an elastic waistband with adjustable belt, side slash pockets and cargo pockets, and knee-high zippered gussets for easy on/off.