**Product Specifications:**
**Brand:** INOXTO
**Product Name:** Cycling Cross-country Running Backpack
**Model:** 593 Upgrade Version
**Size:** 22cm (L) x 43cm (H) x 5cm (D)
**Recommended Chest Circumference:** 70-128cm
**Material:** Nylon + 3D Polyester Mesh
**Weight:** 480g
**Capacity:** 15L
**Color Options:** Orange, Light Green, Blue, Grey, Black-Grey, Black
**Applicable Sports:** Hiking
**Features:**
- Flexible, close-fitting, lightweight, breathable, and rational storage
- Scientific external hanging for convenient storage
- Left and right elastic cord hanging devices for fixing trekking poles
- Bottom hidden zipper compartment for storing helmet net
- Ventilated load reduction system on the back
- Ergonomic design with honeycomb mesh fabric + shock-absorbing EVA back panel
- Multiple compartments for storage including hydration bladder, mobile phone, water bottle, helmet, towel, pump, trekking poles, and clothes
- Nylon fabric for lightweight, breathable, and water-resistant performance
- Reflective design for enhanced visibility during night activities
- PEVA hydration bladder for on-the-go hydration with leak-proof and odorless features
**Storage Compartments:**
1. Main zipper compartment
2. Main pocket for hydration bladder
3. Waist protection zipper compartment
4. Elastic straps
5. Bottom helmet net compartment
6. Shoulder strap multifunctional compartment
7. Front zipper auxiliary compartment
8. Shoulder strap multifunctional compartment
**Night Reflective Technology:** Enhances safety during night activities
**PEVA Hydration Bladder Usage Steps:**
1. Push open the handle of the water bag
2. Open the water bag pull tab
3. Expand the interior of the water bag
4. Fill the water bag with water
5. Close the pull tab after filling water
6. Push back the handle of the water bag
7. Place the water bag in the backpack water bag compartment
8. Secure the water bag
9. Pull the tube out from the water outlet