JACHS NY Jachs Jeans Jachs New York Black Tapered Jeans Poshmark JACHS NY Jachs Jackets & Coats Jachs New York Wool Blend Jacket Poshmark JACHS NY. Introducing the Hudson Stretch Twill Blazer by JACHS NEW YORK, a sophisticated addition to your wardrobe in a timeless hue. This men's blazer features long sleeves and a classic fit crafted from a 98% cotton and 2% spandex blend for ultimate comfort and style. Made with a deconstructed design, it offers a practical button closure and is imported. Designed with functionality in mind, it includes two side pockets, a left chest pocket, and three inner pockets.