The specialized comp wind gilet is a lightweight low volume gilet which is wind proof and water repellent perfect for all conditions it39s been constructed form silver 35 a single layer ultra lightweight fabric which will keep the wind out and the warmth in the fabric has a water repellent treatment too so it will keep you dry if you get caught in a shower you can easily wear this over the top of your jersey for additional protection if the weather takes a turn for the worst this cyc