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Sizing Charts

OS1ST UNISEX CALF SLEEVE

Size Small Medium Large X-Large
 
Ankle Circumference 6.5"-8.5" 8.5"-10" 9.5"-12.5" 12"-14"
 
Calf Circumference 9.5"-14.5" 12"-17" 14"-19" 14.5"-20"
 
US Men's Shoe Size 3-5.5 6-9.5 10-13 13.5-15
 
US Women's Shoe Size 4-6.5 7-10.5 11+ -
 
UK Shoe Size 1-3 4-8 9-13 14-16
 
EU Shoe Size 33-36 37-41 42-46 47-50

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