Randolph Engineering Aviator Gunmetal Sunglasses | AGX Bayonet Color:Gunmetal The plastic heart-rate module is

The plastic heart-rate module is removable from the strap so you can wash the strap as often as needed

660 ft / 290 psi water resistant

distancing us from the very nature of time

Style: HX1242

Crown: Standard push / pull

Randolph Engineering Aviator Gunmetal Sunglasses | AGX Bayonet Color:Gunmetal The plastic heart-rate module isRandolph Engineering originally built their classic Aviator for the U. S. Military, surpassing rigid mil spec standards. As a standard issue since 1982, these sunglasses are battle tested and ready to take on the most rigorous and demanding use. Whether you're a pilot, taste maker, or just someone that demands the best quality, you won't be disappointed. [Details] Made in USA using the finest components found worldwide. Signature bayonet temples