Color: Black Material: Spandex + Nylon + Polyester Size: S Use: For storing water bottles, mobile phones, headphones, and other daily necessities Suitable for: Cycling, running, fitness, and other activities Product Description: [Durable and Long-Lasting Design]: Made with high-strength fabric for excellent durability. The surface treatment prevents fabric degradation due to rain or sweat, allowing for worry-free use in harsh outdoor environments. [High Elasticity, Maintains Shape, No Strain on Waist During Long Wear]: Uses special high-elasticity fabric that stretches freely and returns to its original shape. It provides a comfortable fit without feeling constricting. [Breathable Mesh Material for Ventilation, Keeps You Cool During Sports]: The part that contacts the waist uses breathable mesh to efficiently expel sweat and heat generated during exercise, preventing stuffiness. [Lightweight and Large Capacity for Easy Movement, Stays Stable During Jogging]: The main body weight is minimized to achieve an airy lightness, while the 360° circular pocket can store all necessary items such as smartphones, earphones, and water bottles. [Suitable for Multiple Scenarios, One Bag for Everything]: Ideal for sports scenes like running, cycling, fitness, and yoga, as well as for organizing luggage during hiking and travel, and for daily commuting and shopping. *Please Note: 1. Please understand that there may be slight errors in manual measurements. 2. Due to the influence of display and lighting, the actual color may differ slightly from the image.