We zip up the Nano-Air Light Hooded Jacket at the base of a route where the plan is simple: move fast, stop rarely, and never overheat doing it. Patagonia updated the fabric, boosting durability on the outside and improving wicking power on the inside. The hood fits clean under a helmet, four zippered pockets keep gear organized and secure, and low-bulk cuffs pull up on the forearm when we need a quick temperature check on the move. What Our Gearhead(R) Experts Are Saying:"I wore this on a stop-and-start day of scrambling and belaying, and never had to peel a layer off. The FullRange insulation dumped heat when I was climbing hard and held warmth the second I stopped moving."