VELPEAU Thumb Wrist Brace Professional Protector for Sprained Wrist Tenosynovitis ArthritisA special straps system is adopted to make it easier and more convenient to fit. Two V shaped carbon fiber splints built into the sides of the product's thumb are lightweight and ultra thin, high strength and flexible, making the joints more flexible while providing good fixation. The 3D knitted material with built in sponge is skin friendly and comfortable, light and breathable, not stuffy. It is more suitable for long periods of summer or sleep. The