Sockee Sock Aid

Medium
Kids - all shoe sizes
Men’s shoe size up to 10 (6-10)
Women’s shoe size up to 11 ( 4-11)
Max. feet width is 4"

Large
Men’s shoe size 10.5 + (10.5-15)
Women's shoe size 11.5 + (11.5-above)
Max feet width is 5''

If you are suffering from swollen ankles or swollen feet you should consider choosing the Large Sockee