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- External Velcro tabs combined with dual zippers create “arms out” functionality
- Right zipper extends around the footbox for increased ventilation and versatility
- Full length dual zipper design improves ventilation and comfort
- Layered, offset, quilt construction prevents cold spots
- Draft tubes along zippers keep out cold air and prevents heat loss
- Dual zip sliders for venting
- Offset layer construction with draft tubes
This fits your .
The Boundary -20 is ideal for those who want reliable performance and comfort in their winter expeditions. SJK built the Boundary with an oversized fit for plenty of room to move. SJK added extra comfort features such as a full length draft tube along the zipper, a convertible hood and a draft collar to help prevent heat loss around the neck and shoulder area.