MUMMY SHAPE

This extremely light 2-3 season down sleeping bag sets the standard with the world’s leading weight-to-warmth ratio. Its close-fitting mummy shape enhances thermal efficiency, delivering top-tier performance for outdoor professionals who settle for nothing but the best.

H-SHAPED CHAMBER DESIGN

Advanced H-shaped chambers system eliminates cold spots and ensures uniform insulation. While the differential cut allows the down to fully loft, providing optimal warmth and reducing compression during sleep.

ANATOMICAL SHARK-FIN FOOTBOX

Anatomical, shark fin shaped footbox with advanced insulation layout, offering superior warmth in one of the most cold-sensitive zones. Engineered to support a natural foot position while eliminating dead air pockets for improved thermal efficiency.

YKK® ZIPPER

The robust 2/3-length, 3 mm YKK® zipper with two self-locking sliders helps further reduce overall weight while maintaining reliable functionality.

COMPACT WARMTH

This extremely light down sleeping bag delivers exceptional warmth in a compact form. Filled with premium down, it offers excellent compressibility, packing down small to save space in your backpack.