4-Season Warmth. Ultralight Packability. Better Outdoor Sleep. A complete backpacking sleep system featuring a 700FP down sleeping bag and R-value 6.6 insulated sleeping pad for lightweight warmth and comfort in cold conditions. Complete Warmth and Comfort for 4-Season Adventures Build your ideal outdoor sleep setup with the ATEPA Ultralight 4-Season Backpacking Sleep System. Combining a premium 700FP down sleeping bag with a high-insulation R-value 6.6 sleeping pad, this complete sleep solution is designed for backpacking, camping, hiking and cold-weather adventures where warmth, comfort and packability matter. A Complete Sleep System for Outdoor Adventures 700FP Down Sleeping Bag for Lightweight Warmth The ATEPA 3-in-1 Down Sleeping Bag delivers exceptional warmth without unnecessary weight. Filled with 360g of 700FP Coldmaster(TM) Down, it provides breathable insulation and a comfortable temperature range from 42.8AdegF to 6.8AdegF. The versatile 3-in-1 design allows it to be used as a sleeping bag, blanket or cushion cover for different outdoor situations. R-Value 6.6 Insulated Sleeping Pad for Cold Ground Protection The ATEPA EdgeX 6.6 Sleeping Pad provides reliable insulation with a 7-layer thermal system and aluminum film construction. With an R-value of 6.6 and 3.94-inch thickness, it helps reduce heat loss from cold ground while providing comfortable support on uneven terrain. Designed for Backpackers Who Need More Together, this lightweight sleep system offers: Four-season warmth for cool to cold conditions High insulation without bulky weight Compact packing for backpacking trips Comfortable support for better outdoor sleep Versatile use from mountain adventures to weekend camping Perfect For: Backpacking & Thru-Hiking Cold Weather Camping 4-Season Outdoor Adventures Mountain Trips Lightweight Camping Adventure Travel Sleep Warmer. Pack Lighter. Explore Further. From alpine campsites to weekend escapes, the ATEPA Backpacking Sleep System gives outdoor adventurers the warmth, comfort and portability needed for a better night outdoors.