Wool vs cotton socks for work boots: which to wear

Wool or cotton socks for work boots? Wool, or a wicking blend. Cotton soaks up sweat and stays wet. A wet sock rubs, and rubbing causes blisters.

Why it matters

A boot is a closed box. Sweat has nowhere to go. Wool and many synthetic blends move moisture away from the skin and keep some warmth even when damp. Cotton does not. After eight hours that matters more than the price of the sock.

What to look for

• Padding in the heel and ball of the foot. That is where boots rub.
• A snug fit with no folds. Folds cause hot spots.
• Height that clears the boot top. A short sock slides down and rubs.
• A blend, not pure wool. Some blends wash and last better.

One exception

For a short, cool, dry day in a roomy boot, cotton is fine. And if you have a skin condition or allergy, such as a wool sensitivity, choose a synthetic blend and ask a clinician if feet are sore or blistered often.

A simple routine

Carry a spare pair. If your feet get damp at lunch, swap socks and let the boots air a little. Our guide to work boots for concrete floors covers the boot side, and steel toe vs composite toe covers cold and weight.

How many pairs

Most people do well with five to seven pairs of work socks, so there is always a clean pair. Rotate them, and replace any with thin heels. A cheap pair worn thin costs you more in blisters than a good pair costs to buy. If you stand all day in cold, a thicker pair helps, but only if the boot has room, since a tight boot cuts off warmth.

End of shift

• First to go: the heel padding, which thins out after many washes.
• Check on Friday: the heel and toe for holes or thin patches.
• Do tonight: pull the insoles, dry the boots and wash the socks inside out.