The Tredstep Symphony Nero II Knee Patch Breeches offer a combination of comfort and durability in a stylish, fitted design. With silicone knee patches, stretch fabric and cuffs that have a motion-fit design, they are the result of technical expertise from Tredstep. This expertise introduces an innovative new fabric, Meryl Actisystem™, which includes a complete system of innovative fibers; resistant, protective, lightweight and breathable. Designed for quick-drying and exceptional comfort during any athletic activity, these are ideal for both everyday wear and competition.