Premium 400T polyester shell with water-resistant coating for all-weather protection

Ultra-lightweight 90% white duck down filling (650+ fill power) for exceptional warmth-to-weight ratio

Innovative bubble quilt stitching prevents down leakage while enhancing thermal efficiency

Detachable storm hood with adjustable drawstring and reinforced windproof chin guard

Strategic internal pockets (1 zippered chest + 2 deep handwarmer) with microfleece lining

Military-grade YKK zippers with anti-snag slider and reinforced stress points

Compresses into built-in storage pouch (30% original size) for urban commuting/alpine travel

Articulated elbow seams and gusseted underarms ensure full mobility for winter sports

TPU-reinforced hem drawcord with locking toggle prevents cold air intrusion

OEKO-TEX certified insulation meets international safety standards for sensitive skin