castelli aria vest m Activity_Mtb the jacket is durable and

the jacket is durable and comfortable and allows freedom of movement for a variety of riding styles

The lightweight O-Matter™ frame

if you wish

but it's breathable too

which provides for maximum breathability and airflow to keep you cool and dry throughout your ride

castelli aria vest m Activity_Mtb the jacket is durable andWe have reinterpreted the classic wind vest to make it as svelte as the rest of your wardrobe. This vest is designed to completely block the wind on the front while allowing ample breathability on the back. The fabrics are so impossibly light that you'll be surprised at how much warmer you stay with this vest over your standard jersey. But the magic comes from the cut and the stretch fabric on the back, which take up all the loose fabric and make the