Like all of Ibex socks the Crew has reinforcement in the toebox and heel to keep the natural benefits of Merino wool durable against the toughest run, hike or ride. Low cut for summertime comfort. Flat knit toe seam. Strategic areas of light and medium cushioning. Machine wash inside out for best results. Size M: W's 6-10, M's 5-8; Size L: W's 10-12, M's 8-12. Weight: 1.12.