LensColor: Blue Product overview A versatile 35 liter waterproof hiking daypack designed for reliable on the trail hydration and organized storage. Built as a hydration pack and running vest option, it includes a 3 liter hydration bladder and works with 2 liter bladders for lighter runs. The design adapts to hiking, trail running, biking, and everyday outdoor use for men, women, and older children. Key benefits Stay hydrated on the move: Includes a clear 3 liter hydration bladder with a bite valve for easy, hands drinking. Compatible with 2 liter bladders when you need a lighter load. Weather resistant protection: Waterproof pack exterior helps keep gear and the hydration bladder dry in wet conditions. Versatile capacity and fit: 35 liter main capacity handles day hike essentials while the streamlined running vest style and adjustable straps deliver a secure, comfortable fit for active movement. Practical organization: Dedicated hydration sleeve and accessible pockets let you store the bladder, water bottle, snacks, phone, and small essentials without fumbling. Lightweight performance: Designed to carry hydration and essentials without excessive bulk for trail running, marathons, biking, and day hikes. Features and specifications Capacity: 35 liters for main pack storage. Hydration: Includes 3 liter clear hydration bladder; also compatible with 2 liter bladders. Bite valve: Quick access bite valve for sip and go hydration. Waterproof: Water resistant outer construction to protect contents from rain and splashes. Fit: Adjustable straps to secure the pack for running, hiking, and cycling. Use cases: Functions as a daypack, hydration backpack, and running vest pack depending on how you load and adjust it. Colors and detail: LensColor Blue. Practical applications Day hiking: Carry a full 3 liter bladder, layers, lunch, and essential gear for a full day on the trail. The 35 liter volume gives room for clothing and food while the hydration sleeve keeps the bladder in place. Trail running and marathons: Switch to a 2 liter bladder and use the streamlined running vest configuration for longer runs where lightweight, secure carry and easy access to the bite valve are essential. Biking and family outings: Use the pack for cycling or kids hikes. Comfortable straps and multiple pockets make it suitable for older children and adults on short excursions. Why customers choose this pack Combines a sizeable 35 liter daypack with integrated hydration for longer outings. Flexible bladder options let you tailor water capacity to activity and duration. Simple, dependable design focused on hydration access, storage organization, and a secure fit for active use. What is included 35 liter waterproof hiking daypack 3 liter clear hydration bladder with bite valve Care and use tips Rinse the bladder and bite valve after each use and allow to dry to maintain freshness. Adjust straps for a snug fit to minimize movement during running or biking. Use the hydration sleeve or pouch to secure the bladder and route the hose through designated openings for easy access. This pack is suitable for hikers, trail runners, cyclists, and families who need a waterproof daypack with integrated hydration and flexible bladder options.