Size Chart Be seen no matter what time of day it is. With a reflective stripe around the ankle, a Virtually Seamless toe, a supportive arch brace, and super comfy merino, the Women's Rayleigh Crew will help any day feel more comfortable. Features: - Women's specific fit; narrower heel and slimmer fit - Targeted cushioning for maximum protection without bulk. - Sock Height: Crew - Virtually Seamless toe - Supportive arch brace - Novelty space dye yarn - Made in USA of Imported Yarns: 53% Merino Wool, 43% Nylon, 2% Elastane, 2% Polyester - Last Chance: Discontinued Style - Only available to ship within the USA