The Trek Down sleeping bag from Sea to Summit is the ideal accessory for road trips and nights under the stars. Carefully designed to offer extra warmth and comfort, this versatile and spacious bag is perfect for outdoor camping. Discover the Sea to Summit Trek Down sleeping bag, designed for adventurers seeking comfort and versatility in all their outdoor escapades. Featuring RDS-certified duck feather down with 650+ fill power and treated with Ultra Dry Down, this bag offers enhanced water resistance even in wet conditions, guaranteeing reliable warmth wherever you go. The 20 denier recycled polyester shell and lining offer durability and comfort, while the generous semi-rectangular cut provides ample room to move and feel comfortable, perfect for road trips and occasional camping adventures. The Free Flow Zip system provides optimal temperature regulation and offers multiple sleeping bag configurations to suit different climates and preferences. What's more, vertical partitions on the chest and horizontal partitions on the bottom half and base ensure even heat distribution, while box wall construction guarantees optimum insulation. The generous fitted hood has two tactile adjustments and can accommodate a regular Sea to Summit pillow for extra comfort. Plus, the unique anti-draft tube along the zippers prevents unwanted drafts. Whether you're tackling milder temperatures or venturing into more extreme conditions, the Sea to Summit Trek Down sleeping bag is your trusted companion for comfortable nights under the stars, wherever you head.