Features: Made of high quality nylon material, water-resistant and wear-resistant, durable in use. Large capacity storage space with multiple pockets, store your items and keep them tidy. Built-in helmet mesh bag, convenient to store your helmet and more space-saving. Back breathable honeycomb pad design, moisture-wicking and sweat-absorbent. Adjustable shoulder straps can adjust the length freely according to your needs. Chest and waist quick release buckle design, solid and durable, fix firmly during use. Suitable for outdoor activities like cycling, camping, mountaineering and hiking, etc. Note: Please note that slight color difference should be acceptable due to the light and screen.