Right now, Adidas' Aeroready Arm Sleeves are on sale for only $8. While there are four colors to choose from, it's the lucid pink style that's currently 68% off its original $25 retail price.

You can understand why some runners head inside when the weather turns cold. Dialing in the right gear for the conditions takes some practice. Dress with too many layers, and you overheat; too few, ...