The Women’s SMARTWOOL PHD RUN ULTRA LIGHT Print Micro socks are as stylish as they are comfortable. The women’s specific fit is slimmer with a narrow heel for a more comfortable fit. Indestructawool technology provides extra durability. Shred shield technology is designed to help reduce wear from toes. Merino wool is a versatile and breathable fabric that stays dry and will keep feet cool on hot days. Mesh venting on top of the socks provides additional breathability and moisture management.