Muddyfox hydrate bag 20 the muddyfox hydrate bag 20 is a must have for long rides out on the trails featuring a lightweight design with fully adjustable mesh shoulder straps adjustable push clip waist belt and mesh cushioned lower back and shoulder pads this muddfox hydration bag includes a removable 15 litre bladder with a 1 metre drinking tube finally a small outer zipped pocket and a carbineer clip offers added storage space for other essentials hydration pack 15 litre b