Castelli Aria W Vest Size:S our Hybritech™ Sidewalls are the

our Hybritech™ Sidewalls are the most durable sidewall construction on the market

and integrated TPU shank for added stability

the Mary Rand Slip-On Mid MTE combines a mid top slip-on silhouette with additions designed for the elements

and long traverses out to the soft stuff

Castelli Aria W Vest Size:S our Hybritech™ Sidewalls are theCastelli's lightest and most packable wind shell that fits close to body with a stretch breathable back. It effectively blocks wind on the front without causing overheating. Ultralight windproof woven microfiber front Striped mesh back is stretchy to avoid fabric flapping in the wind Folds up extremely small Rear pocket YKK Vislon zipper Reflective piping