The Head Z1 Junior ski boots are a comfortable and easy boot for your junior skier. Its Jr. high top tech allows for easier turn initiation with high power transfer. The easy entry shell construction and tongue handle make getting the boots on and off simple, while the Vario Last adds comfort to your child's feet and enhanced performance. Natural Kid Stance. Jr. High Top Tech. Duo Flex. Vario Last. Easy Entry Shell Construction. Tongue Handle. Comfort Footbed. 1 Low Profile Plastic Buckle.