Properties: Spokey QUATTRO children's roller skates: are 4 in 1, i.e. roller skates, ice skates, roller skates and roller-skates in one! They have an interchangeable skid, thanks to which they can be used in four different configurations, they can be adjusted in size, so they grow with your child and optimally fit the foot, They are equipped with a triple fastening system (laces, Velcro and a two-section buckle) that ensures maximum safety while riding! Technical data: two skids: skate and roller, with the possibility of configuration in three positions (roller skates, roller skates, roller-skate), roller skid: aluminum, skate blade: steel hockey blade, fasteners: two-section buckle with protection, Velcro, laces, standard: EN 13843 / 15638, bearings: ABEC 7 Carbon, wheels: PU, wheel hardness: 82 A, maximum user weight: 60 kg, shoe: semi-soft with ventilation, outer material: polyester, inner material: velvet + EVA foam wheel size: 64 mm (size 30-33), 70 mm (size 34-37), 72 mm (size 38-41).;Properties: Spokey QUATTRO children's roller skates: are 4 in 1, i.e. roller skates, ice skates, roller skates and roller-skates in one! They have an interchangeable skid, thanks to which they can be used in four different configurations, they can be adjusted in size, so they grow with your child and optimally fit the foot, They are equipped with a triple fastening system (laces, Velcro and a two-section buckle) that ensures maximum safety while riding! Technical data: two skids: skate and roller, with the possibility of configuration in three positions (roller skates, roller skates, roller-skate), roller skid: aluminum, skate blade: steel hockey blade, fasteners: two-section buckle with protection, Velcro, laces, standard: EN 13843 / 15638, bearings: ABEC 7 Carbon, wheels: PU, wheel hardness: 82 A, maximum user weight: 60 kg, shoe: semi-soft with ventilation, outer material: polyester, inner material: velvet + EVA foam wheel size: 64 mm (size 30-33), 70 mm (size 34-37), 72 mm (size 38-41).;Properties: Spokey QUATTRO children's roller skates: are 4 in 1, i.e. roller skates, ice skates, roller skates and roller-skates in one! They have an interchangeable skid, thanks to which they can be used in four different configurations, they can be adjusted in size, so they grow with your child and optimally fit the foot, They are equipped with a triple fastening system (laces, Velcro and a two-section buckle) that ensures maximum safety while riding! Technical data: two skids: skate and roller, with the possibility of configuration in three positions (roller skates, roller skates, roller-skate), roller skid: aluminum, skate blade: steel hockey blade, fasteners: two-section buckle with protection, Velcro, laces, standard: EN 13843 / 15638, bearings: ABEC 7 Carbon, wheels: PU, wheel hardness: 82 A, maximum user weight: 60 kg, shoe: semi-soft with ventilation, outer material: polyester, inner material: velvet + EVA foam wheel size: 64 mm (size 30-33), 70 mm (size 34-37), 72 mm (size 38-41).;Properties: Spokey QUATTRO children's roller skates: are 4 in 1, i.e. roller skates, ice skates, roller skates and roller-skates in one! They have an interchangeable skid, thanks to which they can be used in four different configurations, they can be adjusted in size, so they grow with your child and optimally fit the foot, They are equipped with a triple fastening system (laces, Velcro and a two-section buckle) that ensures maximum safety while riding! Technical data : two skids: skate and roller, with the possibility of configuration in three positions (roller skates, roller skates, roller-skate), roller skid: aluminum, skate blade: steel hockey blade, fasteners: two-section buckle with protection, Velcro, laces, standard: EN 13843 / 15638, bearings: ABEC 7 Carbon, wheels: PU, wheel hardness: 82 A, maximum user weight: 60 kg, shoe: semi-soft with ventilation, outer material: polyester, inner material: velvet + EVA foam wheel size: 64 mm (size 30-33), 70 mm (size 34-37), 72 mm (size 38-41).