Storm-Blue Seishin Slim-Fit Slub Wool And Linen-Blend Suit Jacket Expertly cut on the label's slim-fit 'Seishin' block from a lightweight slub wool and linen-blend, this jacket has higher arm holes that allow for easier movement and light shoulder padding to broaden the frame. - Storm-blue mélange slub wool and linen-blend - Notch lapels, felted undercollar, non-functioning buttoned cuffs, chest welt pocket, two front flap pockets, double vent, two internal pockets, partially lined - Two-button fastening - 80% wool, 20% linen; lining: 100% viscose