Storm 450 - BD620671 black diamond we made these glasses with

we made these glasses with the ability to block blue light

First Aid:

4mm stainless-steel coils to provide unbeatable traction

durable Chromoly rails

Storm 450 - BD620671 black diamond we made these glasses withFor the technical consumer who wants the best, brightest, most waterproof, feature rich headlamp to use for fast paced, extreme environment activities. This user also has the need to run the lamp on alkaline batteries if caught away from a power source for a long expedition. Features Dual Fuel: Maximum flexibility to utilize either the rechargeable Lithium Ion BD 1500 battery or Alkaline cells (included) 450 Lumen max output IP67: Waterproof Tested to