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

Little leather logo on the chest

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

This year-round performer features their lightest-weight Merino jersey fabric with a nylon core to increase durability while still keeping 100% soft Merino wool next to skin

Made with a 100% recycled Pertex® Quantum outer

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.