Features: Nylon fabric, light in weight and breathable, suitable for high-intensity fitness or outdoor running. The fabric has excellent elasticity, providing stable chest support and reducing shaking and discomfort during exercise. Seamless splicing technology reduces friction and enhances wearing comfort. Equipped with rapid moisture absorption and sweat wicking function, it dries quickly after exercise. Simple and fashionable, easy to pair with various sports pants or casual clothing, meeting the dressing needs of different occasions. Specifications: Fabric: nylon fabric Parameters: M, L, XL, 2XL Attribute: refer pictures to selection please Size:M Suitable for lower chest circumference:74-77cm(29.13-30.31inch) Recommended body weight:47.5-50.5kg Size:L Suitable for lower chest circumference:78-82cm(30.71-32.28inch) Recommended body weight:50.5-62.5kg Size:XL Suitable for lower chest circumference:83-88cm(32.68-34.65inch) Recommended body weight:62.5-72.5kg Size:2XL Suitable for lower chest circumference:89-94cm(35.04-37.01inch) Recommended body weight:72.5-82.5kg Package Includes: 1 Piece Women's Sports Vest note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.