Spire I Sleeping Bag 1°C

The Spire -1 Sleeping Bag combines optimal warmth and comfort for cool-weather adventures. With a body contour profile and OneThermo insulation, it effectively retains heat. The 3D hood and redefined neck baffle minimize drafts and heat loss, while the shark fin foot box and full-length insulated zip baffle provide additional insulation. A brushed polyester lining ensures effective moisture management. Additional features include an anti-snag YKK zipper, differentiated hood drawcords, inner pocket, compression stuff sack, and hanger loops.