Premium Japanese 1.9W short down jacket with 5B4-F5-754 high-density nylon shell for extreme wind resistance. Ultra-light 90/10 white duck down filling delivers exceptional warmth-to-weight ratio. Precision quilted diamond stitching prevents down leakage while maintaining sleek silhouette. Water-repellent YKK zippers with inner storm flap ensure complete weather protection. Reinforced shoulder seams and articulated sleeves allow full mobility for urban commuting or alpine travel. Compact packable design fits into included carrying pouch for effortless storage. OEKO-TEX certified materials guarantee hypoallergenic comfort against sensitive skin. Minimalist collar design with hidden chin guard provides neck warmth without bulk. Ideal for business travelers needing lightweight insulation or fashion-forward winter layering.