The Alpine series is designed with mountain use in mind - weight saving is crucial, and the result is easy to enjoy on less dramatic hikes and bike tours as well. At torso height, the down compartments are chevron shaped, reducing the movement of the down. - Narrow, weight-saving "tapered mummy" shape - Long size: - Total length 230 cm, suitable for max. 200 cm users - Circumference on the shoulders: 162 cm - Circumference at the hips: 136 cm - Circumference at the foot: 104 cm - Fill: 435 grams of fillpower 650 duck down, RDS-certified, impregnated to repel moisture - the bag does not flatten like the sleeping bags of the past in humid conditions - The fabrics are Pertex Quantum nylon, typical of quality bags: the surface fabric is new 20 denier ripstop and the lining fabric is recycled 20 denier regular nylon - Zippered small item pocket - 3/4 length zipper - Lightweight thermal collar - Protective strip next to the zipper reduces zipper jamming - A packing bag for travel use and