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