Smartwool Women's PhD Outdoor Ultra Light Pattern 50% Merino Wool, 49% Nylon, 1% Elastane Made in USA or Imported Virtually Seamless toe 3.75" overall height Sock Height: Mini Style:SW001302 Care: Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.