AltoLab combines a set of breathing apparatuses with completely developed training programs to function as a high altitude simulator for Intermittent Hypoxic Training (IHT).

The successor to Polar’s previous M400 watch, with a boatload of feature updates that easily make it the most conveniently functional multi-purpose watch we’ve tested.

The shoe inspired by Karl Meltzer gets a significant overhaul for its second iteration, with improved fit, stability and durability.

“Timp” is the nickname Utah locals use for Mount Timpanogos, the second highest mountain in the Wasatch Range, with an iconic trail climbing to the 11,752 foot summit. Altra founder Golden Harper calls this the “long day” shoe, and it’s definitely made with long distance mountain running in mind.

Performance fabric meets trucker couture in the Patagonia Bandito, which is an evolution of the company’s original Long Haul shirt from a few years ago.

A spacious and versatile crew or travel bag with durable construction and thoughtful compartmentalization. It can be carried as a duffel bag, but does not have dedicated straps for this purpose

The North Face Ultra Vertical is an offshoot of the company’s Ultra MT trail runner, with an aggressive outsole, high breathability in the upper, and a nice blend of cushioning and protection through the midsole.

Injinji has introduced a couple of new products in advance of their Fall 2017 release, and one of them may take you by surprise because of what it’s missing: Injinji’s classic toe sock design.

An exquisitely comfortable, buttery soft form-fitting wool base layer from Revellion, an artisanal wool company who produce top end products in low batches. This base layer is part of Revellion’s limited spring collection released in May 2017.

A combination compression garment and traditional shell shorts from Second Skin, a new performance apparel line from Dick’s Sporting Goods. They feature supportive and dynamic compression that allows full range of motion, but these shorts don’t cool or ventilate as effectively as most ultrarunners will like for extended efforts.

This summer Brooks updates its popular PureGrit series, which combines natural biomechanics with protective features to help you push the pace. The PureGrit 6 features an extensive redesign of the upper, and maintains the underfoot structure that proved successful on the previous version.

One inevitable side effect of ramping up your training load is the development of increasingly persistent aches and soreness in your key muscle groups. We’ve tested a few massage devices this spring, each of which has a slightly different method of application, but all have a similar purpose of working your problem areas before they become limitations.

A unisex pullover midlayer garment made of Polartec Power Grid fabric that wicks moisture and provides a strong combination of insulation and ventilation.

A weather resistant and highly breathable jacket made for keeping you warm and comfortable during long duration aerobic activity in harsh conditions.

A hybrid warmup and technical performance running pant from Santa Barbara, California-based rabbit.

Charlie Engle, by his own admission, is an addictive personality. His new memoir, Running Man, is a brutally honest and compulsively readable account of his years as an alcoholic and crack addict and how he managed to finally put that life behind him in exchange for a new addiction: running.

For those of us who have difficulty keeping fingers warm in harsh conditions, The North Face Apex E-Tip Glove and Montana Mitt are welcome additions to our winter running wardrobe.

Winter running jackets present an eternal challenge for clothing designers. The primary objective is to balance two competing needs: enough insulation to keep you warm in frigid conditions, but enough ventilation to keep you from overheating with exertion. Comfortable material construction and creative design elements are obviously desirable as well.

The TomTom Spark 3 is an updated GPS from TomTom’s general fitness category that has extensive crossover appeal to runners – in fact, the feature set of the Spark 3 includes everything found on the company’s Runner 3 watch.

Black Diamond makes a big hit by going small. The Ion is the company’s smallest, lightest and most compact fully functional headlamp that runs on AAA batteries. The Iota is a new lamp this winter, and is the smallest and lightest rechargeable light Black Diamond offers

A super-lightweight and compact water filtration system that allows you to pull water from natural sources for refueling in the backcountry. The BeFree meets filtration standards of systems that are twice as large and cost twice as much, and its simplicity and ease of use are virtually unmatched.

The REACTIK+ headlamp is the next generation of Petzl’s innovative reactive lighting technology, which adjusts the amount and type of light based on your surroundings in order to provide appropriate functionality while optimizing battery life.

It’s our holiday custom to crowd-source gear recommendations from the entire UltraRunning Magazine team for our annual gift guide. This year, they were given the following guidelines: tell us your favorite new product, or the one you found most interesting, and your tried-and-true gear that you wouldn’t run an ultra without.

A small collapsible hybrid container with a high-flow valve opening that can be used for fluids, gels, and thicker content like applesauce or nut butters. The container has a capacity of 250ml and fits easily into a bottle holder when full, and into a small pocket when empty. The Formula 250 allows for transport of personalized nutrition needs on the go,

A midweight long sleeve moisture wicking performance shirt with waffle texture to improve airflow and breathability. The Speed Waffle Crew is thick enough to keep you insulated by itself on cold days, but the slim fit makes it easy to use as a baselayer.

I know it’s tempting to skip right to the cool bras we’ve compiled for you, but I ask that you bear with me for a quick moment. See, in researching this article, I’ve learned that many of us ladies are getting the bra thing very wrong. It’s important stuff that we should be getting right – especially for those of us going the distance and doing ultras – and not just for reasons of chafing or mild discomfort.

A hooded lightweight shell that has strong wind and water resistance and packs down into its own pocket for storage in a vest or waist pack. The Paray has a number of thoughtful design elements such as hand pockets, internal key storage, and thumb loops at the cuffs. It is one of the lightest shells we’ve tested this year, and provides great warmth and protection for its minimalist weight.