Key Features:1. Race Number Holder: * Made with high-density elastic woven waistband, adjustable for a perfect fit and easy to wear.2. Graduated Compression Design: * Features a graduated compression design around the thighs and hips to reduce muscle vibration during exercise, minimizing energy loss and improving performance.3. Breathable and Sweat-Wicking Material: * Rapid moisture absorption and sweat-wicking to keep you dry and comfortable, ideal for high-intensity sports.4. Multi-Functional Storage Space: * Hidden Pockets: Hidden pockets on both thighs or the waistband allow storage of phones, energy gels, or keys. * Cross Elastic Bands: Elastic bands on both sides can secure jackets, towels, or elongated items. * Rear Waist Storage: Newly designed rear waist compartment can hold a 500ml soft water bottle while reinforced mesh reduces bottle movement during activity. Includes a waterproof zippered pocket for securely storing items like an iPhone.5. Item Securing Design: * Two vertical elastic straps on the back allow easy storage of trekking poles, umbrellas, jackets, or other personal items.6. Highly Breathable Drainage Fabric: * The back of the thighs features highly breathable drainage fabric that prevents water retention, while other areas use water-repellent, lightweight fabric to enhance heat dissipation and improve athletic performance.7. Durability and Flexibility: * High-density elastic fabric offers durability and flexibility, suitable for various sports needs.8. Professional Adaptive Design: * Specifically designed to meet the structural demands of various sports, such as triathlons, trail running, and fitness activities.