Key features: -Main body fabric cut from our new Rapha Performance Merino Off Road wool blend, specially developed for enhanced durability and all day comfort on the trail. -Windproof and tear-resistant front panel for added protection from wind and cold air. -Full-length sleeves constructed from a durable, hard-wearing nylon fabric for snag resistance. -Ergonomic fit and construction for unrestricted freedom of movement. -Rapha Repair Kit included to remedy sleeve damage and eligible for further Rapha repairs service if needed. How to wear: -Wear over a base layer or next to skin and pair with the Rapha Trail Shorts. -Layer under the Trail Lightweight Jacket for chilly starts or late finishes.