Rab Sonic Long Sleeve Zip An Efficient, Long-Sleeved Layer Layering is the best way to stay warm during cooler rides. You can add a layer if it's too cold or remove a layer if you become too warm. The Rab Sonic Long Sleeve Zip is an efficient, long-sleeved layer, ideal for mountain running and fast hiking. It's designed with a regular fit in a lightweight, breathable fabric, finished with an odor control treatment to keep you fresh over long distances. Offering you an additional layer of protection in cooler conditions, or for wearing alone on warmer days. Lightweight and packable, it's great for multi-day adventures when you're low on weight and space. Features Motiv Aero fabric that is fast-drying and breathable Sweat wicks quickly through the subtle mesh structure Raglan sleeve construction for better freedom of movement Half-length zipper for extra ventilation when needed Microactive seams stretch and move with you SPECIFICATIONSMaterial Motiv Aero Fabric Sleeve Length Long Sleeve Closure Type Half-Length Zipper Fit Regular Intended Use Road, Hiking, Running Special Features Raglan Sleeves Sizing Size XX-Small Extra Small Small Medium Large Extra Large XX-Large Chest (in)34"35. 5"37"40"43"46"48"Waist (in)27"28"30"32"34"36"39"Arm Length (in)32"33"33"34"35"36"36" | Rab | Sonic Ls Zip Men's | Size Small In Tempest Blue