Nathan Neutron Fire RX Runner's Headlamp 2.0 Gloves Mix 4 level scoops per

Mix 4 level scoops per litre of water and drink to thirst during exercise

and there are also 4 manual speed settings should you want to set your own ideal airflow

Size 155mm / Weight: 225g

·         Cool and Dry: Water-resistant synthetic microfiber upper utilizes variable size perforation holes and a pair of mesh panels over the forefoot to boost ventilation and promote quick drying

Sanctum takes it a step further with a larger lens and fit

Nathan Neutron Fire RX Runner's Headlamp 2.0 Gloves Mix 4 level scoops perFeatures Lightweight, low profile runner's headlamp 250 Lumens LED spotlight Side strobes provide RGB Light Red, Green, and Blue LED options 5 lighting modes: low, medium, high, boost, strobe Strap provides 360 degrees of reflective visibility in low light conditions Rechargeable Lithium Ion Polymer Battery LED: 250 max Lumen main LED, and two (2) RGB proximity LEDs Battery: Lithium ion Polymer Rechargeable via USB Burn Time: High 6+ hours Medium 14+