This light and fast-drying stretch fleece jacket is built for everything from hill walking to alpine climbing. We put the ...

When the temperatures drop or the rain starts to fall, a good mountain bike jacket can keep you comfortable out on the trail.

With long sleeves, front pockets and a hood, the lightweight rain jacket is perfect for those days where you don't want to wear a big thick raincoat.

Down jackets typically have 450 to 900 fill power—the higher the number, the warmer the jacket. For true winter, your best bet is to buy a jacket with at least 550-fill-power.