Available options:
US6.5/37.5, US7/38, US7.5/38.5, US8.5/40, US9/40.5, US10/42, US10.5/42.5
US6.5/37.5, US7/38, US7.5/38.5, US8.5/40, US9/40.5, US10/42, US10.5/42.5