HydraPak Ultraflask+ Flask Filter System Men's Shoes Woven fabric is lightweight and

Woven fabric is lightweight and durable

Improved durability and grip with enhanced rubber at the front

Heel-toe-toe Offset: 8mm (35mm heel /27mm forefoot)

Yaktrax Pro traction cleats instantly provide better traction

hardware and pocket design

HydraPak Ultraflask+ Flask Filter System Men's Shoes Woven fabric is lightweight andLighten your load and drink right from the source. We took our go to flask and added filtration to create a system that delivers hydration without contamination. The filter light and compact screws on top so you can drink right from the flask. Or if youre carrying more water use the system to fill a bottle or reservoir.