Skin-friendly and comfortable material: Made of high-quality cotton and sponge, it is soft and elastic, moisture-wicking and sweat-wicking without any sense of restraint. It can keep children's knees warm in cold weather and promote blood circulation at the same time, providing an excellent wearing experience.High-elasticity anti-slip design: It has excellent elasticity and can closely fit the child's legs. No matter what activities the child is engaged in, it can be firmly fixed without slipping, and there is no need for frequent adjustments.Strong shock absorption protection: The thickened high-density sponge structure can effectively reduce shock and resist impact force, providing strong support for the knees. It can also prevent scratches and wear, reducing injuries and pain.Multi-scenario applicability: Compatible with various sports such as running, rock climbing, horseback riding, yoga, etc., covering football, basketball, dance, skating, skateboarding, etc., providing additional knee support for all kinds of activities.Thoughtful and practical attributes: Balancing warmth, protection and comfort, the elastic design ADAPTS to different leg shapes, meeting children's daily activity and sports needs, and safeguarding knee safety.