Cockpit USA Mens G-1 Calfskin Leather Flight JacketThe Cockpit USA G 1 Calfskin is the premium leather version of the naval aviator G 1 silhouette dark brown deer tanned calfskin, which is smoother, finer grained, and more uniform in texture than goatskin or lambskin at equivalent weight. The calfskin gives this G 1 a more refined appearance while maintaining the structural weight of a genuine flight jacket. The interior features a quilted lining with embroidered and silk screened pilots escape map.