Spin Ultra - Womens Size:40.5 This year-round performer features their

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

To prevent heat-loss in moist conditions

Made with a 100% recycled Pertex® Quantum outer

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

under a slightly thicker sock

Spin Ultra - Womens Size:40.5 This year-round performer features theirThe 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.