Premium 90% White Duck Down Fill - Exceptional warmth-to-weight ratio with ethically sourced high-loft insulation for superior heat retention in cold climates.

Advanced Shell Fabric Technology - Lightweight yet durable 20D nylon exterior with DWR coating for water resistance and windproof protection during outdoor activities.

Ergonomic Articulated Design - Precisely engineered seams and gusseted underarms allow full mobility for hiking, urban commuting, or winter sports without bulk restriction.

Professional Thermal Lock System - High-density baffle construction prevents down shifting while strategic quilting patterns eliminate cold spots in sub-zero temperatures.

Versatile All-Season Layering - Ultra-packable design compresses to palm size for easy storage, transitioning seamlessly between alpine expeditions and city winter wear.

OEKO-TEX Certified Materials - Hypoallergenic down cluster cleaning process and bluesign® approved textiles ensure premium safety standards for sensitive skin.