Why socks turn hard in the wash
Short answer: Socks turn stiff from limescale in the water and from detergent residue that is not rinsed out. The fix is to dose by water hardness, skip the fabric softener and let the socks dry with air around them.
Limescale in the water
In hard water, limescale settles on the fibres and makes the fabric stiff, much like a kettle that scales up. You notice it most on socks because they are washed so often. Dose by water hardness instead of just adding more detergent.
Too much detergent
Excess detergent is not fully rinsed out and settles as a thin film in the fabric. That film makes the socks stiff and can feel rough against the skin. More detergent does not give cleaner socks, only more residue. See how to dose detergent correctly.
Fabric softener
Fabric softener makes the surface feel soft right after washing, but it leaves a coating on the fibres. Over time that coating closes the fibres and reduces their ability to move moisture, so the socks get stiffer and hold more sweat. Read why in fabric softener and bamboo.
Shake them out
Give the socks a few shakes before you hang them up. When they come out of the machine, the fibres are pressed together after the spin. A quick shake loosens them, so the fabric dries more airy and feels softer the next time you wear them.
Drying
Air drying with space around the socks gives a softer result than a hot radiator. On the radiator the fabric dries fast and unevenly, and the fibres set stiff in whatever shape they had. Hang the socks on a rack in a well aired room. See how to dry bamboo clothing.
The temperature
Most socks do fine at 40 degrees. A higher temperature does not remove more dirt from ordinary socks, but it can wear on the fibres and the elastic. If the socks are very dirty, turning them inside out helps more than turning up the heat.
New socks
New socks can feel a little stiff for the first few washes, because there is still residue from production in the fabric. It goes away by itself after a few washes. So it is not a sign that something is wrong with your laundry routine.
See the range
Socks in bamboo viscose are soft from the start, but they do best with a gentle wash and a small amount of detergent. See the models in all bamboo socks for women and all bamboo socks for men, and wash them by the same simple rules.
When the socks are already stiff
If the socks have already gone stiff, a wash with no detergent or very little can rinse out part of the residue. An extra rinse does the same. It does not fix everything, but the socks often feel noticeably softer after one or two rounds.
See also
Limescale, dosing, fabric softener and drying are all connected, and the same rules apply to the rest of your bamboo clothing. The remaining rules are gathered in one place, so you can look them up quickly. See the washing guide.
Frequently asked questions
Why do my socks go stiff after washing?
Usually because of limescale in the water or residue from too much detergent. Fabric softener and drying on a radiator can make it worse over time.
Does fabric softener help against stiff socks?
Only briefly. Fabric softener leaves a coating on the fibres, which in the long run makes the fabric stiffer and worse at moving moisture away.
Is it normal for new socks to be a little stiff?
Yes. New socks often carry residue from production, and it usually disappears after the first few washes at 40 degrees.
See our range of men's bamboo socks.
