Brand new and in original packaging No Pinz Tripsockz mid calf length aero socks for time trialling, duathlon, cycle racing or just riding quickly. Silicon gripper around the top edge. Ribbed aero fabric around sides and back of calves and woven foot. These are left and right foot specific so fit really nicely (I have some club kit Tripsockz).

Size M are for calf size 36-38cms and shoe size EU 43 - 44.