In just over a year, the KSO has become our most popular model for men. Featuring a thin, abrasion-resistant stretch nylon and breathable mesh upper that wraps your entire forefoot to "Keep Stuff Out".  A single hook-and-loop closure helps secure the fit.  A non-marking 3.5mm Vibram TC1 performance rubber sole is razor-siped for a sure grip, and a 2mm EVA midsole enhances plating protection and comfort.  

KSO IS BEST FOR: Running, Fitness Training, CrossFit, Light Trekking, Bouldering, Water Sports & Travel

Materials: 

-UPPER - abrasion-resistant stretch polyamide fabric & Hypalon® straps

-SOLE- Vibram TC-1 performance rubber

-FOOTBED- Antimicrobial microfiber

Weight: 

-5.7 oz. each, 11.4 oz. a pair

Machine Wash Cold/Air Dry