Reference size: size S: up to 22cm palm circumference, size L: over 22cm palm circumference. Immediate pain relief and accelerated recovery wrist brace for carpal tunnel features ergonomic steel plates that fit the shape of your hand to provide ultimate support. The wrap-around design of the carpal tunnel brace significantly reduces numbness and swelling in the wrist, arm, hand, and thumb. Ultra-breathable and sweat-absorbent fabric allows for all-day comfort, especially for people suffering from tendonitis, arthritis, carpal tunnel syndrome (CTS), and other injuries. Ergonomic splints help stabilize your wrist the wrist splint brace holds your wrist firmly in place with two splints. The inner strap is ergonomically designed with an S-shaped plate to better fit your wrist and provide secure fixation. The outside splint uses a strip to strengthen the wrist through secondary protection. Ultimate support without affecting movement lightweight, compact, and well-designed, this wrist brace provides superb protection while allowing freedom of movement, ideal for those who continue daily activities such as typing, housework, or office work. All-new design wrist brace updated hand splint delivers improved functionality and comfort. Compared to traditional carpal tunnel supports, this brace offers enhanced features with a clean, modern appearance. New color scheme and refined details contribute to a comfortable and stylish design. Adjustable straps for a customized fit elastic straps contour to your wrist shape and allow for a secure, comfortable fit. With adjustable compression, this carpal tunnel wrist brace provides excellent support for daily use and nighttime rest.