Keep out the cold with the Venture Half-Zip from Fourlaps. There are few better cold weather layering pieces than a half-zip - a great option for keeping your neck warm while still being able to ventilate with the zipper once you're warmed up. The Venture Half-Zip is cut from a super-soft jersey for next-to-skin comfort and warmth. Handy features like a zippered chest pocket for your necessities and thumb loops for added warmth make this half-zip a no brainer for any runner.