Skip to main content

The Armour 39 adds a new measurement to your workout: Heart

Armour 39 fitness strap announcementCheck out our review of the Under Armour E39 fitness band. 

Under Armour unveiled its entrant into the burgeoning fitness technology space on Tuesday. “Dubbed Armour 39,” it is both an ode to the company’s humble roots – 39 references the made up “style number” they attributed to the first shirt they ever made – as well as a pretty bold step into the platform manufacturing business. “Armour 39 is a big statement for us,” Plank said at the product’s unveiling in downtown Manhattan.

Our recent attraction towards workout monitors is the natural convergence of this whole Internet-of-things trend and the nation’s recently acquired taste for stat freaks like Billy Beane and Nate Silver. We want to be able measure things and we want those results conveniently in the cloud. The truth is in the numbers and yes, there’s an app for that.

While Jawbone and Fitbit both have interesting devices in this category, Armour 39 is going to be most directly compared to Nike’s FuelBand, which increasingly dominates the wrist space of joggers and gym rats. But while it would be unfair to call Nike’s product a gimmick, as a training device it falls somewhere between glorified motion detector and overpriced fashion accessory. Armour 39 is an entirely different beast. The former is best suited to soccer moms at pilates parties; the latter looks more like the exercise tool of Tony Stark.

The distinction is easily discerned from a quick visual inspection. While the FuelBand is a sleek bracelet, Armour 39 straps around your chest. The FuelBand basically measures how much it moves; Armour 39 uses consumer-level biometric technology developed by a company called Zephyr Technologies, which has already deployed a medical grade version of the tech with NASA, the Navy SEALs, and professional athletes. It can measure heart rate, speed, steps, and the overall intensity of a workout.

And while the hardware is impressive, “The genius is in the algorithms,” says Under Armour COO Kip Fulks.

Armour 39 fitness strap
Image used with permission by copyright holder

That software generates another comparison to FuelBand, which eggs users on by assigning them vaguely-defined “fuel points” based on how much the wrist band senses it has moved over the course of a day. Under Armour has its own black box metric with fancy branding: WILLpower. The difference is in the end goal of each unit of measurement; it’s basically quantity over quality. Fuel points measure how much work you’ve done over all while WILLpower assigns a value on a scale of one to 10 of how hard you’ve worked.

How accurate this is remains to be seen. While Under Armour won’t divulge the parameters of their algorithms, they were quick to point out that WILLpower is based on the user’s individual athletic profile. So you’re being judged on whether or not you’re working out to your personal potential.

In other words, Under Armour is claiming to measure something never previously quantifiable with technology: heart. Are you working hard enough? Or are you simply going through the motions?

“You need a number,” Plank said. “For today, for tomorrow. It’s the first performance training tool that tells you everyday: How did you do? You can look at your heart rate, your calories burnt – but did you work? Did you get it done done?”

The company had a few of their professional endorsers on hand for the announcement, each of whom knows from serious workouts. “Sometimes you need that self realization,” says Houston Texans’ running back Arian Foster, “that reality check.”

Until now, proper training mentality was something coaches had to ensure with their presence and watchful eye. But in an age where whole cities are under surveillance and drones fight our battles, why shouldn’t robots pick up the slack for those of us who don’t have anyone to shout in our ear when we’re dogging it?

Armour 39 fitness strap Arian Foster Gina Carano
Image used with permission by copyright holder

“I really like the idea that someone can check in you,” said former MMA champion Gina Carano, who had been testing out the devices during her recent workouts. Now, there’s nowhere to hide.

Armour 39 is intended to be a full platform, with the hardware running increasingly sophisticated programs going forward. That might explain why they unveiled not just the chest strap, but also a wrist accessory that provides real-time monitoring. Considering that the watch costs more than the strap, and considering the strap uploads directly to the cloud and you can get real-time monitoring on an iOS or Android app on your phone, buying the accessory doesn’t make much sense.

Then again, Armour 39 isn’t really targeted at people who work out while checking their text messages.This is a serious device for serious fitness buffs who fully buy in to the “quantifiable self” philosophy that promises better living through analytics. You aren’t going to reach your daily fitness goals by waving this thing a few times around your head.

The Armour 39 module and strap will be available March 20 for $149.99. The watch is $199.99.

Editors' Recommendations

Alec Liu
Former Digital Trends Contributor
Best vacuum deals: Cordless to corded, Dyson to Bissell
LG CordZero all in one stick vacuum with auto empty dock.

You can’t keep a house clean without a good vacuum, and while adding one of the best robot vacuums to your smart home can keep things tidy most of the time, it can still be helpful to have a more traditional vacuum on-hand. The best vacuums are going to offer more power and more control, and right now you can get one with some pretty impressive savings. There are a lot of vacuum deals going on, and they include top names like Dyson and Bissell and popular styles like corded and cordless. Below you’ll find all of the best vacuum deals you can shop right now, as well as some information on how each goes about getting the job done.
Black + Decker 3-in-1 corded vacuum — $30, was $40

This 3-in-1 corded vacuum by Black + Decker is a great entry-level vacuuming option. It’s something to consider if you have hardwood floors or small spaces to keep clean, such as dorm rooms and apartments. Still it can handle things like area rugs, low-pie carpeting, stairs, upholstery, and car interiors. It has an ultra-light design that makes it easy to move around, as well as easy-glide wheels that make vacuuming easy as well.

Read more
Best air purifier deals: Save big on Dyson, Shark, TCL and more
A Germ Guardian purifier placed on a living room floor.

While dust, debris, and pet dander are almost always in the air, with the warmer seasons come all sorts of allergens to be concerned about as well. You don’t have to go after one of the best air purifiers to keep the air in your home clean, as even more affordable air purifiers work well enough to make them worth your while. This is especially true when you factor in some savings, and there’s a lot of air purifier deals taking place right now. We’ve rounded up all of the best air purifier deals below. They include the likes of Dyson, Shark, and other brands making the top smart home devices right now, so read onward for more information on how to save on a new air purifier.
Alrocket HEPA Air Purifier -- $39, was $70

Excellent for a nightstand, the counter, or an end table. this relatively small air purifier offers cleaning for up to 215 square feet. H13 level HEPA filtration ensures that most odors and contaminants are eliminated, with microscopic particles captured, to provide relief to asthma sufferers and beyond. It is relatively simple, so there are no smart features or serious programmable modes, but that's okay. A touch-based control panel on the top, with LED indicators, allows you to adjust the system's timer, indicator lights, and power. You can add your essential oils or fragrances to the top to help disperse a more aromatic scent.

Read more
Best air conditioner deals: Portable and window units on sale
The GE 10,000 BTU portable air conditioner cools a living room while a woman reads.

With the rising temperatures of spring and summer can come the frustrations of tossing and turning at night, sweating in the late afternoons, and simply trying to keep cool during the dog days of summer. Both portable air conditioners and windows units are great options if you don’t have central air, and they’re particularly attractive for apartments, dorms, offices, and if you just have a room or two to cool off. Right now you can land some good savings on air conditioners of all kinds from top air conditioner brands like Frigidaire and GE. We’ve rounded up all of the best air conditioner deals currently taking place, so read onward for more details.
Evapolar evaCHILL — $85, was $99

The Evapolar evaCHILL provides personal comfort on a small scale. At just 6.77 x 6.69 x 6.69 inches, it is highly portable and perfect for taking with you on camping trips or other excursions. To use it, just fill up its 800mL tank, which provides about 8 hours of continuous use (though customers report lower times for high-heat scenarios). This makes it perfect for getting to sleep. Plus, since it uses water as a source of chill, it can double as a humidifier. The Evapolar evaCHILL charges via USB cable and consumes less than 10W of power.

Read more