The INOXTO Trail Running Ultra-light 5L Backpack is the companion for marathon runners, cyclists, and outdoor enthusiasts. Designed with a focus on comfort and functionality, this hydration vest features a lightweight and breathable design that keeps you comfortable during long runs and rides. Equipped with a 1.5L and 2L water bag, you can stay hydrated without slowing down. Made from durable PP material and designed to fit both men and women, this backpack is for tackling the toughest trails and races. Specifications: Feature Details Application Position Back Material PP Origin Mainland China CN Hebei Gender Unisex Model Number 498BB Size XL Department Name Unisex Choice Yes Key Points and Features: Advanced Features: Ultra-light Design: Minimalist design reduces weight for enhanced performance. Breathable Material: PP material ensures breathability and comfort during long runs. Large Capacity: 5L backpack with 1.5L and 2L water bags provides ample hydration. Adjustable Fit: Suitable for both men and women, with an adjustable size XL. Multi-purpose Use: I for trail running, marathon races, cycling, and outdoor adventures. Durable Construction: Made from durable PP material for long-lasting use. Choice: Customizable with multiple options to meet individual preferences. Why Choose the INOXTO 5L Ultra-light Backpack Hydration Vest? Comfortable Fit: Designed for comfort with a breathable and adjustable design. Ample Hydration: Comes with two water bags to keep you hydrated on long runs and rides. Versatile Use: Suitable for various activities including trail running, marathons, and cycling. Durable Construction: Built to last with high-quality PP material. Customizable Options: Tailor your experience with the choice of size and features. Please Note: Ensure the backpack is adjusted to fit snugly to your body to prevent bouncing during movement. Clean the water bags regularly to maintain hygiene and prevent mold growth. Avoid overfilling the water bags to prevent leaks. Store the backpack in a cool, dry place when not in use to prolong its lifespan. Get ready to conquer the trails with the INOXTO Trail Running Ultra-light 5L Backpack Hydration Vest, your companion for marathon races, cycling, and outdoor adventures!