From jcrew website-Mirabelle Topcoat we made it our mission to craft the ultimate outfit polisher (hint: you're looking at it). Made in wool-cashmere from Italy's Mario Bellucci mill and featuring a nipped-in waist and double-breasted closure, this topcoat instantly elevates every look. 70% wool/20% polyamide/10% cashmere. Peak lapel with undercollar felt. Button closure. Welt pockets. Functional buttons at cuffs. Lined. Dry clean. Import. Select stores. Item BM547. How warm is this coat? Super Warm Photos of me wearing the jacket. 5’3 and change, 110ish lbs