besky 5 Pairs Winter Wool Socks Women, Knit Thick Wool Soft Warm and Breathable Cozy Socks for Womens

The reviews say the inside of the socks are stringy. Is that only the decoration socks?

What is correct way to wash and dry?

"line color" only, is there threading on the inside of the socks? With sensory issues, socks are my most challenging thing to shop for, input?

why are some of the pks cheaper than the others.? They all have 5 pair and all have wool.