Whether you're new to camping looking for the most bang for your buck, or you're an experienced camper looking for versatility in a rage of climates, The North Face Dolomite One Sleeping Bag is going to be your go-to. The Top layer is rated to 50AdegF for comfort in warmer weather, and the Mid layer is rated down to 30AdegF. When you put both layers together, you get a sleeping bag with a comfort rating down to 15AdegF. Main body made from 50D cirA polyester taffeta with non-PFC durable water repellent (non-PFC DWR) finish Comfort lining polyester 30% recycled polyester cut-staple insulation Top layer features synthetic insulation rated at 50AdegF (10AdegC) for versatile use in warmer weather Mid layer features synthetic insulation rated at 30AdegF (-1AdegC) for cool nights in the outdoors Pair the two layers for a 15AdegF (-9AdegC) bag for maximum versatility Zippers open from the bottom to allow for extra ventilation Internal phone/watch pocket Rectangular shape is super roomy Comfortable fleece lining on the mid layer is super soft and makes you want to slide right into the bag Order today!