Guide to Creating a Professional Instagram Grid Layout (1 2) Build My Mens Cashmere Hat in Black. WHY WE LOVE IT Ribbed knit beanie locks in warmth on the coldest of days. In 100% Inner Mongolian cashmere our hats are the perfect addition to any cold weather wardrobe. HOW TO WEAR A winter essential, that are both practical and stylish, finishing off any outfit with elegance. HOW TO CARE.. Cashmere needs a little extra TLC compared to other items of knitwear in your wardrobe, but taking the time to care for your cashmere is worth it in the long run and will help keep your investment piece in top condition. Read our complete care guide here. MORE DETAILS 9 gauge, for warmth and comfort 100% Inner Mongolian cashmere One size Ribbed for cosyness