JONATHAN SIMKHAI STANDARD Becka Vegan Leather Jacket in Brown. - size XS (also in L, M, S) JONATHAN SIMKHAI STANDARD Becka Vegan Leather Jacket in Brown. - size XS (also in L, M, S) Self 1: 100% polyester polyurethane coatedSelf 2: 89% cotton 8% polyester 3% spandexLining: 100% tencel. Made in China. Dry clean only. Hidden front zipper closure with snap button closure. 4-pocket styling. Ribbed cuffs. Item not sold as a set. JDAR-WO12. 522-6009-ST. Jonathan Simkhai launched his eco-responsible essentials collection as an extension of his new lifestyle and design philosophy after relocating to Los Angeles from New York. Jonathan Simkhai Standard encompasses the designer's roots in fine materials coupled with everyday functionality and a commitment to conscious progress. The continuous line of denim and ready-to-wear offers versatile, effortless and minimalist staple items meant to add practicality and timeless pieces to any woman's wardrobe.