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(Photo: Inga Hendrickson and Kevin Zansler)
In our book, winter running beats summer running every time. When you’re grinding out sweaty miles in July, the heat is inescapable. But in the cold season, you can be your own thermostat, layering up or down as you see fit. The only downside: if you’re uncomfortable on a winter run, you have no one to blame but yourself.

Arm-warmer haters need to get over themselves; there’s nothing better for a winter race when you still want to rock a singlet. Made from tencel and polyester, these snazzy sleeves feature thumbholes and silicone strips near the biceps for optimal fit. Reflective details also enhance visibility for nighttime jaunts.

Made from 100 percent recycled polyester, these airy, featherlight joggers have a gently tapered cut and a drawcord waistband. A durable water-repellent finish lends them a bit of weather versatility, while the webbed mesh front pockets are ideal for stashing gels and other snacks. (XS–XXL)

Originally intended for nordic skiing, the nimble, slim-fit Rush doubles as a solid winter running glove. A wind flap can be pulled over the fingers for added warmth or discreetly tucked into a pocket over the wrist. The glove has touchscreen-compatible panels on the thumb and forefinger.

This jacket has recycled polyester insulation in the front, the top of the sleeves, and the collar, while moisture-wicking FlashDry panels in the mid-back and under-sleeve areas keep you from overheating. Drop-in hand pockets flank the front of the jacket, offering easy access to snacks on the go. (XS–XXL)

The folks at Tracksmith are big on merino wool, and who can blame them? The Harrier is proof of how well this versatile, odor-resistant fiber works for cold, aerobic pursuits. The merino-nylon blend makes an ideal base layer on frigid days and a reliable standalone option for sessions that start cold and finish hot. (XS–XL)

Made from merino wool and quick-drying polyester, these new undergarments will carry you through long runs without dreaded inner-thigh abrasion. Silicone strips keep them in place, while merino’s famous anti-stink powers means that they won’t be a biohazard after your 20-miler. (S–XXL)

Since 2012, the Aspire has been among Swiftwick’s most popular socks. No wonder: the nylon, olefin, and Spandex blend is compressive and wicking, so your feet stay blister free. This new high-visibility color boosts your safety on the road. (S–XL)