A versatile 2in1 running belt with a detachable 2.5L storage pocket. You can wear it as a stripped-back waist belt for your shorter, faster runs or as a larger pack to carry all your mandatory race kit on events and longer training runs. Easy to adjust on the go, the pack conforms to your body for a secure, bounce-free fit. The RACE ULTRA PRO WAIST pack is constructed from lightweight, breathable materials and includes a 500ml Ultraflask, so you can stay hydrated and comfortable no matter how hot or long the run. The base waist belt has multiple storage options featuring a central stash pocket for the Ultraflask, a secure pocket for your mobile behind the flask pocket and stash pockets to either side. The pack also includes a whistle and pole mount loops. Carry all you need for hours on the trails in this super comfy multifunctional waist belt.