Ronhill 500ml Fuel Flask with Straw Neutral but also windproof and thermal

but also windproof and thermal which means your body temperature will be regulated

The precision fit gives you a locked-in feel for faster runs

Nylon plate reinforces foot alignment

Ortholite X-40 sock liner

Ronhill 500ml Fuel Flask with Straw Neutral but also windproof and thermalRonhill 500ml Fuel Flask with Straw is a lightweight, rollaway soft flask designed for runners who refuel on the move. Features a long straw with bite valve for easy hydration, soft silicon construction that collapses for minimal pack space, and BPA free materials. The 500ml capacity keeps you topped up during training runs and races without the bulk of rigid bottles. Features Long straw with bite valve Soft silicon bottle Roll away for minimal