The Heyburn 3L Bib conquers the backcountry in style. This high-performance shell is lightweight, waterproof, and breathable for any condition. Crafted from recycled nylon, it includes a NASA-developed backer regulating body temperature. A stretch panel at the back improves fit, while mechanical stretch ensures free movement. Side zips facilitate venting and access, with beacon and key attachments adding security and convenience.