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The biggest thing in headlamps since the headlamp.

Petzl's Nao Headlamp uses Reactive lighting to adjust in brightness to give you an ideal amount of light when you're climbing, running, or caving. Not only does Reactive Lighting adjust in brightness, the Nao's top sensor also adjusts the LED lights' beam spread, whether you need a focused beam when you're navigating a map or want a wider beam while exploring the great outdoors. Reactive Lighting also helps retain power, thereby providing a surprisingly high burn time. You can switch this innovative Reactive Lighting mode to Petzl's standard Constant Lighting when you want to go back to basics.

The Nao sports a rechargeable lithium battery (included) located at the back of the headband, and you can replace the lithium battery with two AAA batteries (not included) on trips without access to USB ports. Petzl added a top strap to the adjustable headband in order to provide more stability while trail running. The Nao also features water-resistant housing and a lock function so you don't have a dead battery when you pull it out of your backpack. Get Petzl's optional belt kit if you'd like to style the battery near your trousers.   

  • Reactive Lighting
  • Constant Lighting
  • Rechargeable lithium battery with USB cable
  • Optional AAA battery backup
  • Adjustable headband with top strap
  • Water-resistant housing
  • Lock function
  • Optional belt kit

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Here's what others have to say...

5 5

Best Headlamp I've owned

  • Familiarity: I've put it through the wringer

I love my Petzl Nao 2 Headlamp. I use it on my night trail runs, night bicycle rides, or just working in the garage when I needed additional light. It has four programmable modes that you can customize using Petzl's free downloadable application/software. Battery power last long especially when you're in maximum autonomy reactive mode. Very bright in constant mode. Uses dual power source - stock lithium battery or 2 AAA batteries. Lithium battery is replaceable when it's time to replace it. Rugged design - I accidentally dropped mine about four times on concrete when I was doing bunny hops and it's still good. Waterproof - I ran with it when it was raining and it worked great.

5 5

Bring on more night running!

  • Familiarity: I've put it through the wringer

Many of my friends had this light , and the one I was using looked ridiculously dim next to theirs. Now that I have this, I'll never go back. I love how much more relaxed I can run at night. It's weighted perfectly to balance on my head, doesn't dig in any spots, and it's super cool that the battery is rechargeable so that I don't go through a million batteries.

Bring on more night running!
4 5

Cool Headlamp

  • Familiarity: I've used it several times

I have used the Nao a few times including a Rainier climb. The adaptive lighting technology worked as advertised. I felt like the battery held up pretty well, though according to the LEDs it seems like you may want to carry a spare battery or backup headlamp, mine was ding faster than I'd expect it to.

friend's Petzl Nao

friend's Petzl Nao

Super bright!! Really, we can be 3 pitches up at night and can see the forest below. I haven't worn it but my buddy takes it out and uses it to the max!