MUMMY SHAPE

This classic, expedition-ready down sleeping bag is tailored for demanding winter adventures. Its ergonomic mummy shape is designed to maximize thermal efficiency without compromising on comfort.

DOUBLE “H” CHAMBER DESIGN

Advanced double 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.

3D SHAPED HOOD

3D-shaped hood paired with an independently adjustable 3D collar minimizes heat loss on cold nights. This combination offers a tailored fit and enhanced protection in extreme conditions.

ERGONOMIC FOOTBOX

Ergonomically shaped footbox with advanced insulation layout, offering superior warmth in one of the most cold-sensitive zones. Designed to maintain natural foot position while eliminating dead air pockets.

YKK® ZIPPERS

Durable, full-length 5 mm YKK® zipper with two self-locking sliders features an anti-snag strip for smooth operation. Twin down-filled draft tubes along the zip line ensure no heat escapes through the closure.

INTERNAL POCKET

A convenient inner pocket keeps your small essentials, like a headlamp, battery pack, or phone, warm and within easy reach, even in freezing conditions.

COMPACT WARMTH

Designed for warmth without bulk, this down sleeping bag features premium, high fill-power down that ensures excellent compressibility, fitting easily into your pack without taking up valuable space