Features: Experience enhanceds arm stability with compression arm sleeve, featuring two directional support using highly strength elastic fibers for 30% improved muscle fatigue resistance during intense workouts. The breathable meshes increases airflows by 50%, ensuring sweat wicking and day comfort for prolonged wear. for athletes, fitness enthusiasts, and professionals requiring arm support during repetitive motion or extended activities. Perfect for gym, marathons training, outdoor adventures, or daily tasks needing joint stabilization and injury prevention. from neoprene (150g) with adjustable straps, this sleeve fit arm circumferences 35-45cm for tool free customization. Specifications: Material: Diving Material Size:26.5x16.5cm/10.43x6.5inch Package Includes: 1PC Arm Brace note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.