SmartWool PHD Women's Ultra Light Running T-Shirt - SS16 wool Machine Wash Merino Blend - Delivers quick dry time and enhanced stretch and recovery. Women's Specific Mesh Panels - Provide additional breathability and moisture management. Strategic Seam Placement - Removes underarm and shoulder seams. Flat-lock Seam Construction - For chafe-free comfort. 360 Reflectivity - For increased roadside visibility.