With these socks A506, I am confused about which size I should choose. If I go by shoe size, I should get a medium. If I go by ankle and calf measurements, I should get a large. The last time I bought a "firm" support sock, I got a medium and ended up spraining a tendon in my hand trying to get the sock on me. So, my questing is, which size do you suggest I buy for THIS sock?

To validate your size for this item, it must be the shoe size to use as reference. If medium does not work, it is advisable to get one size larger.

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