June 20, 2018 6 min read
Obstacle Course Racing [OCR] racing, such as Tough Mudder and Spartan, is growing with increasing popularity and as we begin to see races all-year-round the need for a wetsuit, thermal, or neoprene top and/or bottom, is crucial in order to avoid hypothermia and unnecessary energy wastage. At all costs, we want to avoid the 'Umbles' - stumbles, fumbles, bumbles and worst of all: the grumbles. For your body to maintain core body temperatures in cold conditions it consumes energy to create heat, this energy consumption is certainly warming but takes a direct toll on your performance as you've only got a single, limited energy pool and it's known that shivering increases metabolic rate [energy used/time] up to 5 fold!
This is where deciding which obstacle course racing wetsuit is appropriate becomes a challenge. You want a top, bottom or wetsuit that will keep you well above the shivering threshold, thus minimising unnecessary energy consumption, but the nature of neoprene is such that more warmth = less stretch. Resistance created by the wetsuit itself directly affects our performance, which is why people spend thousands of dollars on high-performance swimming wet-suits, so it's best to opt for high-stretch neoprenes. An Obstacle Racer needs to wear pieces that can modulate warmth, either by breathable seams or fabrics or the ability to un-zip. If you buy an item that is too thick for your requirements, it will inhibit your movement, making everything even harder and you'll be more likely to overheat and burnout.
In OCR we need a wetsuit to insulate our core against the cold air/water outside whilst reflecting heat emitted from our body back towards our body, typically with a tiny layer of water within the suit, but we cover this with great depth in our video guide to thicknesses. This is the basic operating principle of a wetsuit but being that the majority of exposure experienced by an obstacle-course-racer is above water, the most important consideration is resistance to wind-chill, durability and flexibility. Furthermore, in warmer conditions where a wetsuit is nice but not crucial, your OCR suit should be able to breathe ever so slightly, unlike a surfing or diving wetsuit. Lucky for you, breathable flat-lock stitched wetsuits are always cheaper!
In this picture you can see both standard elastane lined neopre [blue stuff] and the rubbery looking panel is the wind-chill resistant 'smooth-skin'.
There is no easy answer but thankfully there is no right or wrong! Finding the perfect piece or combination is highly dependant on personal tolerance to the cold, season and location. However, every product you find in our Obstacle Course Racing collection has been hand-picked because it's particularly applicable to OCR and Tough Mudder. Pop into our Brisbane, Sydneyor Melbournestore to have a chat, or hit us on live chat or call one of our stores.
The unique demands of obstacle course racing are such that the typical considerations of style go out the window but we've got an extensive blog on wetsuit styles which will help you decide what's best for your racing. Getting back to OCR, the most important thing is retaining core warmth and to limit the additional work created by wearing a restrictive body-suit. Higher quality wetsuits provide more stretch, thus less restriction, but in order to be warm without spending big-bucks we suggest opting for a sleeve-less neoprene suit, typically called a John, long-john refers to the pant-legged version and short-john features short legs. If you're not worried about keeping your legs warm than we recommend a neoprene top which will effectively heat your core without impeding on your performance.
There are plenty of non-neoprene solutions, most of which are made with poly-fleece or other hydrophobic [repels water] materials, a bonus to these fibres is they boast impressive 4-way stretch, far greater than a neoprene wetsuit. These items don't provide the same insulation as neoprene rubber because neoprene is, lets say, like a plastic bag: it has very low permeability where as polyfleece is like a green reusable shopping bag, which are leaky and porous. The biggest issue raised by these alternatives to neoprene is that the fibres themselves may be hydrophobic but the weave can retain moisture, this means that every passing breeze will be wicking heat away from your body at a much greater rate than if you were wearing nothing at all. The best thermal products, by a long shot, are the Enth Degree range as they're designed to be versatile and versatility is the nature of OCR - these are the best thermals we've used, in and out of the water. We have included these products in this selection because they're the best option in warm climates, where you're typically hoping to reduce exposure more so than insulate against cold water and mud. They're also the most effective under-garments for use in both dry and wet applications.
Wetsuit tops are a fantastic option for Australian Obstacle Course Racers that don't think they 'feel the cold.' In our experience, you may be cold at the beginning but as your body generates heat through exertion your need for warmth is reduced. The advantage that a top presents is that it will insulate your core without negatively impacting how freely your legs can move and allows you to regulate your temps more delicately.
There's not definite answer here as it all depends on your personal tolerance to the cold, the conditions and the course but as an Obstacle Course Racer you're probably well equipped to deal with tolerating discomfort. In saying that, the most important consideration is ensuring your body isn't wasting energy to stay warm when you're waiting to get onto an obstacle, for example. Neoprene pants are highly popular because they are skin tight which means you won't rash like when wearing boardshorts or walk shorts.
A wetsuit would be one of the most aromatically diverse products in the entire world, generally resulting from bacterial growth, but the only smell we want coming from our wetsuit is that of Wetsuit Wash.
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