Premium 300GSM white duck down filling with 90% feather cluster ratio for unbeatable warmth-to-weight performance

Double-stitched baffle box construction prevents down migration while maintaining sleek silhouette

Arctic-grade windproof shell fabric treated with DWR coating repels moisture and light snow

Reinforced shoulder seams and YKK Vislon zippers ensure durability in extreme outdoor conditions

Multi-functional design transitions seamlessly from alpine skiing to urban winter commuting

Ethically sourced down certified by Responsible Down Standard (RDS) for animal welfare assurance

Strategic quilting patterns optimize heat distribution without bulk around core body areas

Hidden security pocket with RFID blocking lining protects valuables during travel

Professional-grade thermal performance tested at -25°C (-13°F) for polar expeditions

Bulk order discount available for outdoor gear retailers and winter sports clubs