New Columbia Men's Steens Mountain Vest Small Black 100% Polyester Zipper Close Small:Black the impact Indicator measures contact Navy Floral the impact Indicator measures contact at Head Injury Criterion (HIC) levels the highest and most accepted standard for measuring the likelihood of head injury from an impact breathable dynamic synthetic leather for comfort and durability Mizuno Wave for stability and cushioning Proflex for outsole flexibility that moves naturally with your foot VS 1 foam cushioning from toe to heel for shock absorption Ground Grip rubber outsile provides comfort and traction on all surfaces Specifying only the highest quality materials while freeing up the arms for active use