Arctic-Ready Without Bulk​​ The 7.2oz duck down clusters maintain thermal efficiency at -3℃ (EN 342 testing), with box-stitched baffles preventing 93% down migration. ​​Stormproof Exterior​​ 🔹 ​​HydroGuard Shell​​ – Beads water at 140° contact angle (ISO 19403), shedding snowflakes instantly. 🔹 ​​Stain Resistance​​ – Repels coffee/oil stains with 4.5/5 score in AATCC 130 testing. 🔹 ​​Windproof Design​​ – Taped seams block 98% airflow at 15km/h (ASTM D737). 🔹 ​​Anti-Microbial Lining​​ – Inhibits odor-causing bacteria for 72hrs continuous wear (JIS L 1902). 🔹 ​​Ergonomic Hood​​ – 3D-cut with adjustable drawcord stays put in 8 Beaufort winds. ​​Urban Mobility Features​​ ​​Zippered Hand Pockets​​ – RFID-blocking lining protects cards from skimming. ​​Elastic Cuffs​​ – Laser-cut ventilation gaps prevent overheating during activity. ​​Size Guide​​ M=38" chest / L=40" / XL=42" (measurements taken laid flat).