❶ Embroidery using imported Tajima embroidery 10,000 needles, using imported No. 7 needle, Japanese queen embroidery thread, to ensure that each word is full of work, three-dimensional sense of clear. ❷ Filled with national standard 90 goose down, better thermal performance, light and not heavy, good recovery of fluffiness after compression! ❸ The original custom 40D lattice four-level waterproof fabric, the inner tank is made of 40T high-density bile cloth to prevent running down, and ensure the feel and bulkness, the inner is made of nylon nylon double double-layer ban design, there will be no running down, and the adjustable hem with built-in drawstring buckle can be windproof and coldproof! ❹ The zipper is customized by Yoshida YKK original, with clear lettering and perfect smooth texture. ❺ Accessories and buckles are made of the same copper core spring as the original [non-market iron core spring]