The Belstaff original Trialmaster jacket from J.Crew is Pursuitist Recommended:

Founded in 1924 in Staffordshire, England, Belstaff is world renowned for its exceptionally designed, hardworking and waterproof outerwear, like this lightweight version of their classic waxed-cotton jacket. The epitome of rugged, authentic cool, the Trialmaster is as famous amongst serious motorcyclists as it is with fashion aficionados. Ideal for spring and summer wear, the Original Trialmaster jacket is made of a resin-coated, lightweight cotton twill, which develops a unique “high-and-low” shine with wear, for a completely vintage character. Cotton fabric from the famed British Millerain® Co. Ltd. Standing collar with buckle. Two-way zip with button storm closure. Underarm vents. Detachable self belt. Flap pockets. Adjustable cuffs with button closure. Cotton plaid half-lining. A Collector’s Item. Made in Italy. Spot clean. Available in J.Crew select stores.