Reference size: size S: up to 22cm palm circumference, size L: over 22cm palm circumference. IMMEDIATE PAIN RELIEF & 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-shape plate to better fit your wrist and provide secure fixation. The outer splint uses a supportive strip to strengthen the wrist through secondary protection. ULTIMATE SUPPORT WITHOUT AFFECTING MOVEMENT – Lightweight, compact, and refined design provides superb protection while allowing flexibility. Ideal for individuals who need to perform daily tasks such as typing, housework, or office work during recovery. A comfortable wrist brace suitable for both men and women. ALL-NEW DESIGN – 2022 updated hand splint offers an improved user experience with attention to detail. Compared to traditional carpal tunnel supports, this brace combines enhanced functionality with a modern appearance. Features a fresh color scheme, clean lines, high-quality texture, and precise construction. ADJUSTABLE STRAPS FOR CUSTOMIZED FIT – Elastic straps contour to the shape of your wrist for a secure and personalized fit. The adjustable compression design accommodates a wide range of wrist sizes, providing excellent comfort for daily use and nighttime support.