Medi Mediven Plus Knee It allows all types of activities in complete safety. Features: The Plus heel guarantees with its Y shape that the sock is easy to thread, adheres securely and procures for the whole day a feeling of freedom on the back of the foot. The ribbed reinforcement of the sole guarantees reliable durability. The optimized toe allows for secure fit and excellent resistance. The 5 cm wide border makes the knee-high even more comfortable and reliable as far as sealing is concerned. Beige Format Sizes from I – VII, normal length, open toe, for a shoe size up to 43.