With the Flow Evo+ knee guard, iXS provides super thin, light and comfortable knee protectors. Developed with mountain bike legend Hans Rey, pads are super compact to fit any backpack. The integrated Xmatter padding concept provides high impact absorption and protection. With the Flow Evo+ we introduce product properties like exchangeable padding, structurally improved AeroMesh of newest generation offering a higher level of comfort and structural strength. - Xmatter Protection Foam (exchangeable) - Aeromesh, Light, Moisture Wicking, Breathable, Anti-bacterial, Added Structural Strength, High Level Of Comfort - Looplock Closings - Silicon Stopper - En1621-1:2012 Certified