SPECS Pattern: inspired by vintage sportswear outdoor wool overshirts (Eddie Bauer, Woolrich, etc), revisited.Fabric: fancy 50/50 cotton/wool narrow shuttle loom selvedge denim, 15.5 Oz. Warp = 100% cotton indigo yarn. Weft = 100% dark grey wool yarn. White with red line selvedge ID, with selvedge concealed inside cuffs. Milled in Japan. * Original front/back “floating” shoulder yoke, “western” arcuate style.* Double chest pockets, yoke flap.* Cotton twill tape collar/button placket facing.* Corrozo wood buttons. SIZING/FIT Sizing: CL wears Small, or potentially Medium if layering. CARE Fabric care: this denim twill is sanforized (aka pre-shrunk). Treat as premium denim, turn inside out before laundering, gentle wash cycle, line dry. STORY Note: On the Atlantic front, U-Boat crews often wore private-purchase sportswear wool shirt on patrols. The term SKIPJACK is a reference to the USS Skipjack (SS-184), later a Class of submarines.