**Product Specifications:**
**Brand:** INOXTO
**Product Name:** Lightweight Trail Running Backpack
**Model:** 498B
**Material:** Polyester Mesh Fabric
**Dimensions:** 37CM x 19CM
**Weight:** Approximately 250g
**Recommended Chest Circumference:** 66~144CM
**Capacity:** Approximately 5L
**Features:** Double Stability System, Breathable Fit, Lightweight Carrying
**Adjustable Chest Girth:** 66~144CM
**Details:** Water Tube Outlet, Reflective Markings, Zippered Hydration Bladder Compartment, Reflective Areas, Polyester Mesh Fabric, Nighttime Visibility Strip, Waist Adjustment System
**Design:** Carefully crafted details showcasing brand charm
**Quality Materials:** Abrasion-resistant, tear-resistant, elastic fabric
**Additional Features:** KAM Buckles, Quality Zippers, Durable Polyester Mesh Material, Nighttime High Visibility Reflectors
**Model Display:** Hands-free backpacking for a stylish and practical experience
**Detail Display:** Exquisite craftsmanship in every detail
**Shoulder Strap Compartment:** Fits two 500ml soft water bottles and energy gels
**Zipper Compartment:** Holds small personal items like cards and change
**Main Compartment:** Accommodates a 2L water bladder or personal clothing
**Adjustable Chest Girth System:** Easily adjustable for a comfortable fit
**Additional Details:** Smooth KAM brand zippers, Reinforced stitching, Nighttime Warning Strip Design
Note: All dimensions are manually measured and may have a 1-2cm error. Please refer to the actual product for accuracy.