Extra Wide Medical Sock - Quarter Length SIZE:Medium (Womens size 10-13 Mens size 8.5 to 11.5) They have a silicone heel

They have a silicone heel grip to keep the socks in place

The knit is a diamond weave knit and comes in attractive denim blue and charcoal marled colours

If you are not a genius then maybe these socks with help you bluff your way through with maths and science problems

Seamless toe for added comfort

Extra Wide Medical Sock - Quarter Length SIZE:Medium (Womens size 10-13 Mens size 8.5 to 11.5) They have a silicone heelA unisex sock designed for people with wide or swollen feet and ankles condition where feet or ankles are wide or swollen. The socks stretch wide in the foot and ankle while still maintaining their shape. Infused with Microban to help inhibit the growth of odour causing bacteria. The seam is on the outside of the sock to limit irritation. All sizes fit up to a 6E width fitting. Can be used to fit over a cast to cover the toes.