Despite the name, the Raceline Jr cross country ski boot from Madshus isn&';t about racing - unless your young skier is racing to get outside and play in the snow. This is simply a comfortable, warm, XC ski boot for Junior skiers. But it is nice for junior racing. Softshell upper is water resistant and breathable, keeping feet comfy Sole will integrate with NNN, Turnamic, or Prolink Junior bindings Madshus Junior Boot Size Chart EU Sizing US Junior 26 9 27 10