RonHill Tech Thermal 1/2 Zip Women's Top Soft, lightweight base-layer designed to be worn next to the skin; an ideal top for cooler days or as a layering piece. An ideal cold-weather layering piece, the Tech Thermal 1/2 Zip Top is designed to be worn next to the skin as a thermal base layer to keep you feeling warmer on cooler days. Constructed from a super-soft polyester fabric, the top feels amazing against the skin, providing comfort as you run. Moisture-managing, the material of the top wicks away sweat and excess moisture, moving it away from the skin for quicker evaporation. The tops moisture-wicking abilities keep you feeling dry and fresh even during the most intense sweaty training sessions. Highly breathable, the top helps to remove unwanted intolerable heat and replaces it with fresh air, for a comfortable wearing experience during active days. The front zip allows flexibility for venting once you have warmed up on your run. For a more comfortable fit, the