★★★ This men's silk long underwear is made of 100% knit mulberry silk,soft,lightweigh and smoothly,silk is very friendly to your skin,good breathability and moisturizing,and is beneficial for skin health，men silk long johns will be integrated with you,just like your second skin, keep you healthy and warm,great to be Wear Alone at Home and as a thermal long underwear for sleep,or as base layer Under your clothes.it's a great gift for your lover,give him a comfortable experience. It's one of his best care.