Spin Ultra - Womens Size:40.5 K10’s binding system also allows

K10’s binding system also allows the ankle and foot to move independently

To prevent heat-loss in moist conditions

The Ruffwear Trail Runner™ Bowl is an ultralight bowl that packs into itself for ultimate portability

It's got plenty of comfortable stretch plus chlorine and sun resistance too

For unprecedented comfort during your backcountry adventures

Spin Ultra - Womens Size:40.5 K10’s binding system also allowsThe perfect choice for moderate to ultra distance runs, the multi award winning Spin Ultra offers outstanding cushioning and support in a stable package featuring ample upper protection to keep your feet feeling great in all types of terrain.