Apex Over-bag. Layer over any down quilt or mummy bag to boost temperature and manage moisture.
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The Graupel zipper-less synthetic insulated bag is a cold season companion to any down quilt or mummy bag needing a temperature boost of approximately 10-15 degrees.
The simplicity of the full bag design eliminates drafts and complex strap systems often encumbering quilt-on-quilt applications. In extreme cold a quick setup of one's sleep system can be crucial; the over-bag concept facilitates this.
Having a quick drying synthetic insulated layer towards the outside will aide significantly in moving moisture away from the down filled under-product.
The 2.5 oz/yd Climashield Apex (50°F stand alone rating) is enveloped by two layers of 10d nylon, and topped with a dual adjust cord closure. Foot end is the classic sealed mummy style.
Our many sizing options can be configured to ensure an adequate fit with minimum down loft compression.
Typical total weight from 13 oz and up.
Size 76L x Regular Plus width x 46" foot. 400g. This size fits quilts and bags up to size long/wide. Shown here with a 28°F Sastrugi inside,
with an expected temp boost down to mid teens Fahrenheit
Generous sized top opening makes it easy to set up
Anatomical foot end works for back-stomach and side sleepers alike,
without compressing the down loft of the inner bag/quilt
The Graupel from the picture above shown here in a stuff sack