The Marmot Women's Kitzbuhel Vest has been a perennial best-seller, blending style with year-round practicality to take the bite out of mountain evenings or add extra warmth against midwinter chill. Thermal R is Marmot's proprietary family of polyester insulations specifically engineered to be mid loft, excellent warmth to weight, resilient loft, and durable. Featuring an extension of the lining around armholes that gently hugs your arm and keeps body heat in, an adjustable elastic draw cord hem for serious weather, and soft hand warmer pockets.