Be. Different Mid-Weight Men's Merino Wool Hiking Socks Medium Black 66% Merino Wool/32% Nylon/2% Elastane MOISTURE CONTROL: These socks wick moisture & perspiration from your feet keeping your feet dry TEMPERATURE REGULATION: Never have cold or hot feet  expect all weather comfort and protection COMFORT: Snug performance fit to prevent blisters and support your feet. Will NOT cause itching MID-WEIGHT: Perfect for any season, and all weather conditions MEDIUM: Fits Men's U.S. shoe size 5-10