Roces Warp Thread Tif roller skates in gray and blue (model 400874 00001) are ideal for recreational skating on hard surfaces over medium distances. The outer boot is made from high-quality materials, and the frame is constructed from cast aluminum. The Easy-Entry System technology makes putting on and taking off the skates easier. The inner boot features an anatomical insole, a mesh net, and the Cool Breathe System for ventilation. It has a three-stage closure. The rubber wheels are mounted on ABEC-7 bearings. Technical specifications include: ABEC-7 bearings, wheels: PE 84 mm 82A, Easy Entry System for easy on and off, Progressive Anatomical Padding – a gel cushion placed in the boot for a natural fit, frame: extruded aluminum. The inner boot is made from modern, breathable mesh material. The Cool Breathe Mesh ensures good ventilation. There is a brake on the right skate. This model does not include skate runners.