Jack­ets that reg­u­late body tem­per­a­ture dur­ing stop-go ac­tiv­i­ties

Where Canadian Rockies - - FRONT PAGE - By Jack New­ton

It’s a com­mon co­nun­drum. How do you stay warm on the ski lift, yet avoid be­com­ing over­heated dur­ing the vig­or­ous de­scent? Win­ter en­thu­si­asts have long strug­gled to keep com­fort­able dur­ing ac­tiv­i­ties that are both seden­tary and en­er­getic.

Body tem­per­a­ture-reg­u­lat­ing out­er­wear for stop and go ac­tiv­i­ties

You can al­ways pull an­other layer from your pack to wear when you get chilly, and re­move that outer shell if you’re start­ing to sweat. But bet­ter out­door cloth­ing man­u­fac­tur­ers now of­fer out­er­wear that al­lows you to main­tain com­fort whether you’re at rest or fir­ing on all cylin­ders.

Helly Hansen’s H2Flow tech­nol­ogy “lets you reg­u­late tem­per­a­ture on the fly,” says Banff store (p 65) manager John Wa­ters. Th­ese ver­sa­tile parkas and jack­ets have air pock­ets that trap body heat and pro­vide a no-weight in­su­la­tion boost. Un­zip for­ward ‘in­take’ and rear ‘ex­haust’ vents to flush warm and moist air when you need to cool down.

New Patag­o­nia Nano-Air jack­ets and hood­ies de­signed for start-stop moun­tain sports make Out­side mag­a­zine’s 2015 'Best Gear of the Year' list. Rev­o­lu­tion­ary Full­Range in­su­la­tion pro­vides warmth even when wet, which com­bined with the wind and wa­ter-re­sis­tant outer fab­ric of­fers “un­par­al­leled stretch and breatha­bil­ity,” ex­plains store (p 65) manager Jenna Villemaire.

Wild Moun­tain (p 113) as­so­ciate Cindy McDougall notes that some North Face styles em­ploy body map­ping to en­hance com­fort dur­ing aer­o­bic pur­suits. Ex­tra in­su­la­tion is added where heat loss is great­est like shoul­der tops, while very breath­able quick-dry fab­rics are used at sweat zones such as armpits. The com­pany’s light­weight and com­press­ible Ther­moball in­su­la­tion re­tains heat in small air pock­ets like down, and per­forms even when wet.

McDougall sug­gests, “your kit should keep up with your sport.” For­tu­nately, Canadian Rock­ies out­door shops (p 65, 71 and 113) have the cloth­ing and ex­per­tise to keep you comfy on slopes and trails.

Helly Hansen H2Flow

The North Face Ther­moball

Patag­o­nia Nano-Air

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