Rag & Bone Jet Chelsea Boot in Black. - size 40 (also in 36,36.5,37,37.5,38,38.5,39,39.5) Rag & Bone Jet Chelsea Boot in Black. - size 40 (also in 36,36.5,37,37.5,38,38.5,39,39.5) Leather upper and sole. Pull-on styling. Side elastic gussets. Round heel. Square toe. Heel measures approx 2 HShaft measures approx 6 H. RGBR-WZ151. WFF20SF0239D23-BLK. rag & bone is rooted in a dedication to craftsmanship, innovation and timeless style. Each collection is designed in New York and developed through the time-honored techniques of some of the oldest and most supremely skilled manufacturers from around the world. Since the brand?s origins in 2002 the focus has been, and always remains, on creating the highest quality goods.