Like to travel light but be prepared for any weather? The SIERRA PASS is the jacket for you. This ultra-lightweight weatherproof shell jacket takes up very little space in your pack. It is made of a soft, lightweight recycled fabric that is 100 % waterproof and windproof, and extremely breathable. The SIERRA PASS is a great choice for outdoor activities in milder weather. And it also makes a good everyday jacket. The pit zips are positioned on the back of the arm to improve the freedom of movement.