Don't allow cold weather to put a freeze on your walking plans. Head outside and you'll actually burn more calories than usual since your body has to work harder to stay warm. "If you wear several layers of clothing, so you can remove some when you heat up, it's safe to exercise in temperatures as low as 20 degrees Fahrenheit," says Jessica Matthews, a personal trainer and exercise scientist for the American Council on Exercise. Stay comfortable in our top picks for winter-walking gear.
By Caren Oppenheim
Go with reflective colors or details if you're exercising at night.