1. The overall design is relatively stiff, the fabric is wear-resistant and scratch-resistant, suitable for complex outdoor scenes. 2. Multi-pocket design + adjustable belt, with YKK zipper and Japanese buttons, practical online. 3. Moderate breathability and good moisture absorption, not suitable for hot and humid sports scenes, more suitable for light professional outdoor activities such as mountaineering, hiking, fishing, etc. 4. The gray model is old-fashioned, the visual style is practical, and it is highly wearable but not fashionable in daily life.