Thermo-Regulating Technology For High-Output Pursuits The Vigor Grid Fleece Bottoms are a performance layer geared toward high-output mountain activity. An internal elastic waistband and drawcord give a snug and custom fit, while flat-seam construction ensures chafe-free comfort. The right hip features a bonded woven Ferrosi zip pocket, perfect for storing small essentials, and ActiveTemp, a thermo-regulating treatment, manages body temperature, ensuring cool and dry comfortability. A perfect choice for climbers and hikers looking for a versatile, weather-resistant layer that is comfortable and breathable, the Vigor Grid Fleece Bottoms are ideal for active use.