Thank you for viewing. 70% acrylic, 30% wool 23-24 cm, from heel to opening is about 17 cm Thick socks. The color in the first image is closest to the actual product. These are hand-knitted socks with a gentle feel. Please understand that this is a handmade item, so there may be imperfections in the seams and slight differences between the left and right socks. Only purchase if you are okay with this. Please wash in a laundry net with a delicate detergent on a gentle cycle. If you have any other questions, please feel free to comment.