Ulimate Performance Hydration Pack Unisex Merrell This ensures that during cold

This ensures that during cold temperatures you remain comfortable and cosy

-Reflective details for better visibility during night run

Gel drop pockets

Backup Mode: Automatically drops to a low-power setting before battery is completely depleted

Ulimate Performance Hydration Pack Unisex Merrell This ensures that during coldThe 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