The Hack Evo guards are our entry-level option for soft protectors. They combine the characteristics of the Flow and Carve series cost-effectively. These knee guards are light and extremely comfortable to wear. - Qmatter, protective padding - Low friction impact shells to absorb and distribute impact - Silicone stopper - AeroMesh light, moisture wicking, breathable, anti-bacterial - EN1621-1:2012 (L1)