Under Armour Storm Daytona Vest

This is the one layer you don't have to keep taking off and putting on all day. That's because it actually adapts to the temperature, keeping you warm when it's cool, but letting out extra heat as the day gets going.

UA Storm technology repels water without sacrificing breathability
Lightweight, warm spacer fabric through sleeves, back & center for stretch & mobility where you need it
Strategic woven overlays for wind protection with Armour Fleece® lining for added warmth & comfort
Secure zip hand pockets
Uses a fluorine-free water repellent treatment