- Windproof, durable water-repellent high-performance down with premium down with a fill power of 750+*. *Measured by the IDFB method.<br>- No seams prevent cold air from entering, with a waterproof fastener on the front. *Seams at sleeves, sides, and hood.<br>- The pouch cloth inside the waist pocket is made of brushed fabric for warmth.<br>- Keep your neck warm with a contoured hood structure with cushion collar to prevent cold air from blowing in.<br>- The waist pocket is seamed for a sleek look.<br>*Color name is ”02 LIGHT GRAY”, but an actual color way is between light gray and light blue.