The North Face X SKIMS INSULATED SHELL JACKET | Phoenix | Size Medium The North Face X SKIMS Insulated Shell Jacket in Onyx, size Small, is a stylish and practical winter jacket designed for women. Made with a durable nylon outer shell and insulated with warm down material, this cropped puffer jacket is perfect for casual occasions. The black color and retro theme add a trendy touch to your winter wardrobe, while the machine washable design makes it easy to care for. Representing both quality and style, this jacket from The North Face and SKIMS collaboration is a must-have for cold weather.