Trek Down Sleeping Bag If you've ever wished for a less-constrictive sleeping bag that keeps you comfortable in a variety of cool-to-warm conditions, the Trek may become your go-to bag. The Free-Flow Zip system allows you to open the bag sequentially for ventilation up to the point where it is opened flat as a quilt - you can even secure the snaps around your shoulders, open the footbox zipper and 'wear' the Trek around camp. 650+ fillpower duck down with a non-PFAS Ultra-Dry Down treatment keep you insulated in damper conditions. Slip an Aeros Pillow into the hood and enjoy a great night's sleep - wherever your travels take you. Tech Specs Materials Shell: 100% polyester Lining: 100% polyester Down Fill: 80/20 Duck Down Stuff Sack: 100% nylon - excluding trims Zipper Configuration Full length YKK #3 side zip, two sliders. YKK #5 foot opening zip. Insulation RDS certified, 650+ fillpower duck down with a non-PFC Ultra-Dry Down treatment Specifications by Temp Rating & Size Temp Rating & Size Weight Packed Weight Dimension Packed Size Compressed Volume Length Recommended User Height Fill Weight Temp Rating (ISO Lower) Temp Rating (ISO Comfort) 30°F / Regular 1119 g | 39.5 oz 1197 g | 42.2 oz 196 x 79 cm | 77.2 x 31.1 in 41 x 22.5 x 15.5 cm | 16.1 x 8.9 x 6.1 in 8.2 L 196cm | 77.2in 183 cm | 6 ft in 380 g | 13.4 oz -1 °C | 30 °F 3 °C | 37 °F 30°F / Long 1253 g | 44.2 oz 1331 g | 46.9 oz 211 x 84 cm | 83.1 x 33.1 in 41 x 22.5 x 15.5 cm | 16.1 x 8.9 x 6.1 in 8.8 L 211cm | 83.1in 198 cm | 6 ft 6 in in 437 g | 15.4 oz -1 °C | 30 °F 3 °C | 37 °F 15°F / Regular 1436 g | 50.7 oz 1531 g | 54.0 oz 196 x 79 cm | 77.2 x 31.1 in 46 x 27.5 x 18 cm | 18.1 x 10.8 x 7.1 in 10.6 L 196cm | 77.2in 183 cm | 6 ft in 635 g | 22.4 oz -9 °C | 16 °F -3 °C | 27 °F 15°F / Long 1611 g | 56.8 oz 1706 g | 60.2 oz 211 x 84 cm | 83.1 x 33.1 in 46 x 27.5 x 18 cm | 18.1 x 10.8 x 7.1 in 12.2 L 211cm | 83.1in 198 cm | 6 ft 6 in in 735 g | 25.9 oz -9 °C | 16 °F -3 °C | 27 °F 0°F / Regular 1895 g | 66.8 oz 1998 g | 70.5 oz 196 x 79 cm | 77.2 x 31.1 in 50 x 30 x 20 cm | 19.7 x 11.8 x 7.9 in 14.2 L 196cm | 77.2in 183 cm | 6 ft in 1000 g | 35.3 oz -18 °C | 0 °F -11 °C | 12 °F 0°F / Long 2098 g | 74.0 oz 2201 g | 77.6 oz 211 x 84 cm | 83.1 x 33.1 in 50 x 30 x 20 cm | 19.7 x 11.8 x 7.9 in 15.9 L 211cm | 83.1in 198 cm | 6 ft 6 in in 1163 g | 41.0 oz -18 °C | 0 °F -11 °C | 12 °F Key Features RDS-certified, 650+ fillpower duck down with a non-PFAS Ultra-Dry Down treatment to stay drier in damp conditions Includes a recycled 20D polyester shell with a non-PFAS DWR finish blocks wind and moisture, while the polyester liner provides pure comfort. Free-Flow Zip System offers great temperature regulation and multiple sleeping bag configurations Tapered-rectangular fit is designed for spacious comfort when you're camping or traveling Available Options Temp Rating 30°F 15°F 0°F Size Regular Long