[6.3 to 6.75 u2033= 16]

[8.25   - 8.5   |  21cm]

[9  -9.25  - 23cm]

[over 10 u2033= 26cm]

[7.5 u2033- 7.75= 19]

Bort 112070- Metatarsal Bandage, Arch Support with Silicone Pad, Arch Support, Arch Sleeve, Support for Ball of Foot, Compression sleeve, Plantar Fasciitis Pain Relief, Flat Foot Support, Orthopedic, 1 Pair, Specifications: Elastic bandage support with pad for splayfoot Pad inserted in a slit pocket Support and lifting of the transverse arch of the metatarsal bones Pack: 1 Pair Color:beige The MED-Plus concept Very easy to use Removable pad SIZES Circumference in inch around forefoot 6,3 / 6,7 / 7,1 / 7,5 / 7,9 / 8,3 / 8,7 / 9,1 / 9,4 / 9,8 / 10,2 Supplied as pairs Sizes Conversion Letter Size(if applicable) Size 16 = 16 cm = 6.3 to 6.75″ / Size 17 = 17 cm= 6.75- 7.1″ = A / Size 18 = 18 cm= 7.1″- 7.5″ = B / Size 19 = 19 cm= 7.5″- 7.75″ / Size 20 = 20 cm= 7.75″- 8″ = C / Size 21= 21 cm= 8.25″- 8.5″ = D / Size 22 = 22 cm= 8.75″- 9″ = E / Size 23 = 23 cm= 9″- 9.25″ / Size 24 = 24 cm- 9.25″- 9.5″ = F / Size 25 = 25 cm= 9.75″- 10″ = G / Size 26 = 26 cm= over 10″ = H