1.using high quality short plush 2.filling high quality duckdown 3.good technology in it. 4.it's useful for men and women. 1.fabric: cream-coloured short plush,downproof.2.filling: washed duck down, 120g/pair.3.packing: each pair packed in a PE bag or fabric bag .4.it's very popular in japan, korea,north America, and Europe. MEN&WOMEN SNOW BOOTS