For mountaineers and ambitious trekkers who depend on maximum heat insulation and minimal weight on extreme tours.
Deuter sleeping bags for professionals are also bluesign products with RDS-certified down.
The inner sleeve wraps gently around the sleeper thanks to elasticated chamber stitching to effectively prevent the formation of cold spots.
Inside the outer sleeve the inner sleeve can expand by up to 25% in width to create more space inside the ASTRO PRO models.
The Astro Pro 400 is ideal for temperatures between -4 to -20°C
Warmth Collar: THERMAL COLLAR with Velcro closure avoids cold spots. Three dimensional construction for a comfortable, snug fit around shoulders and neck. Inside Pocket: Internal zip pocket for valuables
Stretch Comfort System: Mummy shape with stretch utilises highly elastic baffle stitching.Ther-mo Stretch Comfort technology creates a snug fit which warms the body up quickly and allows the bag to expand up to a quarter in width offering freedom of movement.
PowerBox: Down does not slip when the legs are moved due to the innovative PowerBox design with a waffle structure formed by combining longitudinal chambers and traverse stretch seams on to the top of the sleeping bag from the knees downwards.
Dryzone: Keeps moisture outside with a water repellent shell material in the head and foot section
Ergofoot: RAISED FOOT BOX designed with the natural feet position in mind, it provides additional comfort and freedom of movement
Trapezoid-Chaber Construction: Opposing diagonal trapezoid pockets and additional full-length chambers on the side ensure the down is stabilised. Cold spots are thus avoided guaranteeing maximum warmth insulation
Ergo Hood: Easy to use contour hood even in the dark thank to one round and one flat drawcord