Vaude Alpstein 450 DWN Ultralight Sleeping Bag

Vaude Alpstein 450 DWN

Is a sleeping bag without a back or a zipper still technically a sleeping bag? Vaude answers that with a resounding heck yes, taking the down quilt concept one step further in the new Alpstein series of ultralight sleeping bags.

The Alpstein sleeping bag series pairs minimal weight with more freedom of movement for a more comfortable night’s sleep outdoors. Taking its name from the mountain peak surrounding Lake Constance in Germany, the Alpstein can be best described as a down blanket with a foot. Vaude sleeping bag developer Markus Ernst claims, “It is this quilt concept that makes an extremely lightweight and comfortable sleeping system possible.”

Combined with a sleeping pad or air mattress, insulation at the back of the sleeping bag is superfluous–the thermal insulation comes from the pad. This not only saves weight and distributes the down fill more efficiently, but greater freedom of movement is created as well. A patented connection system to the pad prevents slipping and ensures you stay warm at night. With universal clips, the sleeping bag can be attached to most sleeping pads with a welded seam.

In warm summer weather, the Alpstein can also be used as a blanket. With this new design, Vaude claims that by carrying the Alpstein you are saving 1/3 the weight and pack space of a traditional sleeping bag.

The ultralight down sleeping bag use an H-chamber construction that is filled with 450 grams of premium, pure white goose down. Like all of its down products (sleeping bags and apparel), Vaude only uses feathers and down with an ethically clean and transparent origin in accordance with the Responsible Down Standard (RDS).

With a comfort limit down to -4°C (25°F) the Alpstein 450 DWN is designed for three season outdoor adventures from spring to fall. It weighs 650 grams to 750 grams depending on size. The Alpstein 200 DWN features a comfort rating of 2°C (35°F), is stuffed with 200 grams of down, and weighs 450 to 550 grams.

The Vaude Alpstein ultralight down sleeping bags will be available for Spring ’16 and retail for 350-450 euro (with similar dollar prices most likely in the U.S.).

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