Premium 90% White Duck Down Fill - Exceptional warmth-to-weight ratio with superior insulation for harsh winters

Ultra-Lightweight Diamond Stitch Construction - Advanced quilting technique prevents down shifting while maintaining breathability

Japanese Pure Yuan Fabric Technology - Water-repellent nylon shell with refined matte finish resists stains and light moisture

Detachable Storm Hood - Adjustable with inner drawcord for complete wind protection in extreme conditions

Multi-Season Versatility - Transitional design suitable for urban commuting, alpine travel, and casual weekend wear

Tailored Articulated Sleeves - Precision-cut patterns allow full mobility without bulk for active lifestyles

Ethical Sourcing Certified - Responsibly harvested down meets international animal welfare standards

Compact Packability - Compresses effortlessly for storage in included carrying pouch during warmer months

Minimalist Japanese Aesthetic - Clean lines and tonal stitching create elevated outerwear suitable for business casual environments