This is our super light spring or fall jacket. With 100 GSM of synthetic insulation, this jacket is one of the warmest in the light category. It is ideal for layering in extreme weather conditions or great on its own. Recommended for temperatures from 5 to 15 degrees Celsius. The Women's Khumbu is part of the Climate Compatible System and combines with the waterproof YETI shell for superior protection against the elements. The TREQA Climate Compatible System is a complete 7-in-3 system, combining a 100% waterproof, breathable outer shell with a variety of inner liner layer options. This jacket is extremely light at just 420g and very compactible, making it an ideal piece for all types of travel destinations. The DWR coating and 100 GSM of insulation make this jacket very warm. The Women's Khumbu Insulated Jacket is perfect for outdoor activities such as hiking, camping, and backpacking. It is also great for everyday wear during the spring and fall seasons. The jacket features a center front zipper with storm flap, exterior zippered hand warming pockets, and an interior zippered chest pocket. The elastic stretchable cuffs and adjustable ripcord hem provide a comfortable and secure fit. The Women's Khumbu Insulated Jacket is a versatile and reliable choice for anyone looking for a high-quality, lightweight, and warm jacket.