The World's Largest Online Bike Store

Currently unavailable

We don't know when or if this item will be back in stock.

XOtherm 170 with MegaHeat Technology provides 7°F thermal boost in a light-weight long-sleeve top, perfect for your everyday training needs.

• Fabric XOtherm with MegaHeat Technology
• Wet fabric is 25x colder than dry fabric
• Using the technology of textiles and the thermal conductivity of moisture, XOtherm with MegaHeat technology is activated by your sweat, boosting thermal warmth at the skin level by 7°F.