The K2 Charm Boa ALU is a great skate offering some of the best technology for fit, performance and usability. The K2 Charm Boa ALU is a top notch girl's inline skate offering many of the same features found on K2's adult skates, from the BOA Lacing system to the ABEC 5 bearings and 76mm wheels. Parents will love the 360 degree reflective material found on the skates which will offer a little bit of extra security when your little one is skating. BOA Fit Lacing System - Adjustments on the go are extremely quick with the simplicity of this BOA turn dial system. Stability Plus Cuff - Includes a ratchet style strap, paired with a velcro power strap to keep you secure at all times. Stamped Aluminum Frame - This vibration-absorbing frame delivers a roll smoother than ever before. 76mm, 80A Durometer Wheels - Perfect for entry-level skaters, looking to glide anywhere, indoors and out. ABEC 5 Bearings - Takes on the chattery pavement with ease, creating less work per stride. 5 Size Adjustability - Produces 5 sizes out of one skate, meaning more bang for your buck as your child grows!.