Color: Blue Product overview A family of waterproof hydration backpacks and bladders designed for hiking, running, cycling, dirt biking, and everyday outdoor use. Available configurations include small running vests and mini packs, dedicated kids packs, 2 liter and 3 liter hydration bladders, insulated bladder options, and a larger 35 liter waterproof daypack with a 3 liter bladder. Multipack options are available for families or group use. Key benefits Hydration on the move: integrated 2L and 3L bladders provide hands drinking for steady hydration during activity. Weather protection: waterproof pack bodies keep gear dry in rain and splashes. Cooler water for longer: insulated bladder options help reduce warming during extended activity. Comfortable fit: adjustable straps and ergonomic designs suit running, hiking, cycling, and offroad riding, with designs that accommodate a wide range of body sizes. Versatile sizing: choices range from small running hydration vests and kids mini packs to a 35L waterproof daypack for longer trips or extra gear. Features and specifications Bladder capacities: 2 liter and 3 liter options included across models; some listings include two pack or three pack sets for kids or group use. Pack capacities: small hydration packs for running and hiking, plus a 35 liter waterproof daypack that includes a 3 liter bladder. Insulation: selected models include insulated bladder sleeves or insulated TPU bladders to slow warming. Material highlights: waterproof pack construction; TPU bladder material in insulated models. Design variants: running hydration vests, lightweight running packs, small day hiking packs, kids hydration backpacks, mini backpacks for men, and larger hydration daypacks for longer outings. Compatibility: suitable for hiking, trail running, cycling, dirt biking, school outings, and everyday commuting where hands hydration is useful. Multipacks: available in 2 pack and 3 pack configurations for kids or group purchases. How it solves common problems Eliminates the need to stop and reach for a bottle by providing an accessible drinking tube. Protects electronics and clothing from rain with waterproof pack materials. Reduces warm water on long efforts with insulated bladder options. Fits a wide range of users from small children to plus size adults through adjustable straps and configurable carry styles. Use scenarios Day hike: Use the 3 liter hydration bladder in the waterproof 35 liter daypack for a full day on the trail. Store snacks, layers, and electronics safely while staying hydrated without stopping. Trail run or race: Choose a lightweight running hydration vest or small 2L running pack to carry water and a few essentials while maintaining close, stable fit and easy access to the bite valve. Family outing or kids hike: Select the kids mini hydration backpacks or a 2 pack or 3 pack set so each child has their own 2L or 3L bladder. The waterproof construction keeps packed snacks and spare clothes dry. Practical details Cleaning: remove and rinse bladders after use and allow to dry to prevent odors. Fit and adjustment: use the adjustable shoulder and chest straps to stabilize load and improve comfort during activity. Bite valve and hose: quickaccess drinking tubes allow continuous hydration without slowing pace. What is included Options include individual hydration backpacks and multipack sets for kids. Bladder sizes specified as 2 liter or 3 liter depending on model. Some packs include insulated TPU bladder components and a 35 liter waterproof daypack variant that includes a 3 liter bladder. Choose the model that matches your activity and capacity needs: small running vest for fast efforts, compact hydration pack for day hikes, kids mini backpacks for outings, or the larger waterproof daypack with a 3 liter bladder for longer trips.