Heretic Knives Hydra Single Action Black w/ Green Accents 3.625in Magnacut Blade - Made in USA Aluminum *With optional heart rate belt

*With optional heart rate belt

but the S15 has a very nice feature that sets it apart from other AA lights

which shows the current condition of power so you're never left in the dark

Omni-Wick sweatband and mesh venting actively breathe and pull moisture away from your skin to keep you cool

Heretic Knives Hydra Single Action Black w/ Green Accents 3.625in Magnacut Blade - Made in USA Aluminum *With optional heart rate beltHydra Single Action Out the Front Product Description Introduced in 2015 the Hydra pioneered a button safety. The textured firing button is protected by a sculpted titanium swivel cover that adds both aesthetics and assurance. Precision engineered with a stainless charging handle and carbon fiber charging plate, the Hydra deploys with speed and force. A weighty handle absorbs firing energy and the redesigned Hydra V3 places an emphasis on ergonomics