How do I use sock sizing by shoe size?

Use the sock maker’s size chart for the correct shoe-size range, material and use.

Socks · size and use

Start with your shoe size. Check the sock brand’s chart.

Sock sizes vary by brand and intended fit. Darn Tough recommends using shoe size and sizing up between categories. We keep this conversion brand-specific.

Source: Darn Tough sock sizing chart (checked 2026-11-09). Other sock brands: Bombas, Stance, Balega and Smartwool charts are not yet encoded; follow each manufacturer’s chart.

Choose by use

Running: look for the brand’s running-specific cushioning and fit notes.
Hiking: compare crew height, cushioning and merino/fiber details.
Everyday: compare the maker’s everyday height and material options.
Compression: use the maker’s circumference chart; shoe size alone is not enough.

Materials to compare: merino wool, synthetic blends, cotton and nylon. We don’t guess a product’s fiber content.

Frequently asked

Are sock sizes the same as shoe sizes?

No. A brand maps a range of shoe sizes to its own sock sizes.

What if I am between two sock sizes?

Check the manufacturer’s own recommendation. Darn Tough recommends sizing up.