The 2XU Ignition 1/4 Zip is designed to trap body heat, featuring a double-knit waffle material with a stand collar around your neck and cuff mittens to keep cold hands at bay. Stay Warm Double-knit three-dimensional waffle construction creates small air pockets that trap body heat in, while cuffs with thumbholes flip over to become mittens to keep your hands warm. Quick-Drying Waffle construction allows air to flow through the fabric, increasing breathability and speed to dry. Essential Storage A constrast woven chest zip pocket offers a bounce-free solution for securing cards or keys while you run. Be Seen Reflective logos for greater visibility in low-light conditions.