●Our Size --- Heel To Toe---US(Women) 37---24cm---US: 7 ;38---25cm---US:8 ;39---25.5cm---US: 8.5 ;40---26cm---US: 9 ;41---27cm---US: 10 ;42---27.5cm---US: 10.5 ;43---28cm---US:11 ;44---29cm---US:12 ;45---29.5cm---US: 13 ●STABILITY & CONTROL--The urethane wheels hold up well against the normal wear and tear of skating, provide traction and control, and the semi-precision bearings keep you rolling smooth and fast. ●SUPPORT---The Skate features a controlled high top for optimum safety as well as high quality laces for maximum protection, leaving your foot comfortable and secure. ●Classic Double-row Design---Our classic double-row roller derby skates are safer and more stable than straight-line roller skates, ideal for beginners and women or men who want to easily learn roller skating. Buy a pair, you can enjoy the fun of roller skating. ●Ideal Gift---The roller skates in extremely the perfect gifts for children, boys, girls and boyfriends, girlfriends or family members. It is also ideal for indoor ice skating and outdoor skating.