4bar Knitwear BlueThom Browne's "4BAR" sweater, made of 100 percent virgin wool, features a compact knit that lends structure to the garment. The high half zip collar combines with a straight silhouette and long sleeves finished with ribbed cuffs. The contrasting 4BAR inlay along one of the sleeves is the distinctive element of the construction, while ribbed trim defines the hem and cuffs. Solid color Long sleeves Contrasting 4BAR inlay on one sleeve High collar with