Key features: Ergonomic construction and fit for unrestricted freedom of movement. Light and breathable fabric for all day comfort in a range of conditions. Woven ¾ length sleeves for extra coverage and abrasion resistance. Main body fabric made with environmentally preferred materials. Rapha Repair Kit included 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.