The 1000 mile diabetic sock offers total comfort and increased protection against blistering for sufferers from circulatory problems thick loop stitched padded areas in the sole toe and heel give a cushioned fit whilst a light upper panel keeps the foot cool with flat toe seams theres no rubbing or abrasions the light open weave of the calf is ergonomically shaped to aid circulation extra wide comfort top increases blood flow ergonomic non binding shaped legnbs