Collar and back of neck are paneled with Capilene® Cool Lightweight fabric for additional next-to-skin comfort and wicking in high-sweat zones

Straight backs are happy backs

Style number G80160030

Detachable hood with adjustable width

smaller and lighter than Speed Lock 1

castelli aria 2 vest men 2N29 7961 Collar and back of neckUltralight and ackable wind vest that fits close to body with a stretch breathable back. It effectively blocks wind on the front without causing overheating. FEATURES Ultralight windproof woven microfiber front Striped mesh fabric at sides and back is stretchy to prevent fabric flapping in wind Folds up extremely small Integrated stuff sack YKK Vislon top and bottom opening zipper Reflective Castelli logos