The Ultimate Performance® Tarn 1.5L Performance Hydration Pack features a newly designed bladder which has a large opening for easy filling and cleaning.  The soft bite valve is easy to use on the go and really effective against leaking when not in use. 

We've added in wicking air-mesh backs and shoulder straps, plus air flow channels to make it more comfortable to wear whilst the new chest and waist fastening straps are fully adjustable to give a more personalised fit.