J. Crew Long Barn Jacket in Waxed Cotton Twill in Black Brand new! Classic fit. Runs big Hits below knee. Trademarked and true: the J.Crew Barn Jacket. - This season, we're bringing you a longer version of the heritage layer we've loved since 1983. Plus, this one comes with a removable vest for endless layering possibilities, a classic corduroy collar and a sleek waxed cotton finish. 100% cotton. Point collar. Button closure with hidden zip. Welt pockets. Lined. Machine wash.