I have been using this jacket on my rides though some extra cold spring weather in Utah. The jacket has performed perfectly, keeping me warm while still allowing moisture to wick. I appreciate not feeling sticky when I climb off the bike. I've been riding in 30 to 40 degree temps comfortably with just a long sleeve wicking layer and the Pearl Izumi jacket. I haven't had a chance to ride in the rain yet, so I can't comment on how waterproof the jacket is. Overall, very comfortable. I appreciate features like the thumb loop on teh sleeves, the long tail that keeps me covered and the zippered pocket in back to keep my stuff safe. My only suggestion would be to have an inside pocket for my iPhone so I can keep my headphone cords inside the jacket rather than flapping in the wind. I have been using the chest pocket on the outside of the jacket.