Function: Turn to our top-of-the-line technology for runs in rising temperatures. This smart, sleeveless run top feature HVAC technology, infused with thermo-conducting silver fibers. Heat is channeled from areas of highest to lowest concentration, to balance your temperature. The result is that your body expends less energy on heating and cooling itself, and your run feels great. Features an MP3-friendly pocket for hands-free enjoyment of tunes to go.

Fabric: HVAC Cool (96.5% polyester/3.5% X-Static® is highly breathable, lightweight, and thermo-regulating thanks to heat-conducting silver fibers; Splice: Element Mesh (100% denier gradient moisture transfer polyester) is lightweight and highly breathable, designed to move moisture and dry quickly for maintenance of thermal equilibrium.

Fit: Semi-fitted