The Women’s SMARTWOOL PHD OUTDOOR ULTRA LIGHT Micro Socks are a must when your hike requires speed and precision. The women’s specific fit features a slimmer fit and narrow heel for a more comfortable fit. Indestructawool technology makes them extra durable. Ultra light cushioning under the foot helps reduce wear and provides added support without adding bulk. Merino wool ensures they stay breathable, dry, and keep your feet fresh on hot days, and retain warmth on cold days. Mesh venting provides additional breathability and moisture management. The Achilles tab on the heel keeps the socks on snug and secure.