The Spire -9 Sleeping Bag is built for extreme cold, featuring a body contour profile and OneThermo insulation for maximum warmth retention. 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 enhanced insulation. A brushed polyester lining ensures effective moisture management. Key features include an anti-snag YKK zipper, differentiated hood drawcords, inner pocket, compression stuff sack, and hanger loops. Features: Body contour profile for optimum warmth to weight ratio 3D hood profile Redefined neck baffle position and profile minimise draughts and heat loss Hood drawcord differentiated by thickness and structure for easy adjustment by touch Shark fin foot box with extra insulation Full-length insulated zip baffle Anti-snag zip guard Inside pocket for valuables Brushed lining material with high moisture transport for comfort Hanger loops PFC-free
