UltrAspire 550 Race 2.0 Handheld FiveFinger Originals this enhanced rocker profile under

this enhanced rocker profile under the ball of the foot increases walking efficiency significantly

All Terrain Contagrip® outsole grips in wet and slippery conditions

Kananaskis Village

Reinforced instep patches

preventing debris from entering the shoe

UltrAspire 550 Race 2.0 Handheld FiveFinger Originals this enhanced rocker profile underThe 550 Race 2. 0 Handheld improves upon the successes of its first iteration. UltrAcoolLight Mesh has been added for improved breathability and durability. Soft perimeter binding ensures the handheld remains comfortable over the long haul. The design keeps the handheld contour to the shape of our 550 UltraFlask hybrid bottle. The adjustment is quick and easy with no slip once set to your preferred size. A protective taping has been added to the end