The internal fabric is very comfortable and breathable, radiating the heat generated by the movement and keeping the feet comfortably dry at all times. ABEC-9 bearings are used for high load carrying capacity, more safe and stable made of durable molded materials, providing safe and reliable ice skating. The shiny wheels make you even cooler while skating. The perfect gift for kids, boys, girls and boyfriends, girlfriends or families, it is also ideal for indoor and outdoor skating. "Applicable gender: general origin: Zhejiang sole material: rubber number: 2021 product category: roller skate color: lightning black + flash wheel, lightning black + black wheel, lightning white + white flash wheel, lightning white + white transparent wheel upper material:  wheel type: double row wheel material: PU size : 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45 for children: Yes category: roller skates"