The R5 GTX Infinium Insulated Jacket is built for the runs that test your commitment to the season
What Our Gearhead Experts Are Saying:'The R5 GTX Infinium Insulated Jacket is the most capable cold-weather running jacket I have worn at this weight, and the POLARTEC ALPHA insulation is the reason. It stays breathable enough during hard efforts that I am not overheating on climbs, but the moment I stop or slow down, the WINDSTOPPER shell locks the warmth in immediately. The close-fitting hood seals out cold air at the neck and head without bouncing or shifting, which makes a real difference on exposed runs in wind and low temperatures.'
Cold, windy running days have a reputation for being miserable that the GOREWEAR R5 GTX Infinium Insulated Jacket dismantles entirely. The combination of WINDSTOPPER fabric by GORE-TEX LABS and POLARTEC ALPHA insulation addresses the two biggest cold-weather running challenges simultaneously: staying warm enough when the pace drops and the wind picks up, and staying breathable enough that hard efforts do not turn the jacket into a heat trap. POLARTEC ALPHA insulation is specifically engineered for active use, moving moisture outward efficiently while maintaining thermal performance across a wide range of intensities.
The semi-transparent nylon outer layer keeps the overall weight down to 7.7 ounces while the WINDSTOPPER construction underneath delivers totally windproof protection and durable water resistance against light precipitation. A close-fitting hood seals the head and neck against cold air without adding bulk or interfering with peripheral vision, and stretch inserts at both the hem and cuffs keep the fit adaptive and comfortable through the