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The North Face McMurdo Parka - Boys'
Your son is out there right now, giving his best effort to destroying his clothing. Put him in The North Face Boys McMurdo and rest easy in the knowledge that the McMurdo is warm, weatherproof, and designed from the ground up to withstand abuse. A HyVent outer shell is breathable and waterproof, so the coat won't get clammy from sweat or water, and the 550 fill down lining is super warm and lightweight. The insulated hood has synthetic fur trim for added warmth, and can be detached if it isn't needed or wanted. The McMurdo has the durability you want, the pockets and style your son wants, and the warmth everybody can agree on.
$178.95 
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Training Tips
Heart monitors are useful for knowing when you are in the right zone for your training efforts. If you understand what your maximum heart rate is, you can set up your monitor to beep at you when you exceed the high or low range of your heart rate for the type of workout you are doing.
Cross training gives your body a chance to recover while still exercising. If yesterday has a hard run day up and down hills, then today's bicycle ride gives your aching knees a well deserved break.
Anaeroic threshold is when lactic acid starts to build up in your body as your muscles are not getting the oxygen they require. This threshold is typically expressed as a percentage of your VO2 max - the amount of oxygen per kilogram of weight that a person can use in converting fuel to energy. Elite athletes threshold might be as high as 90% of VO2 max.
Efficient running position allows you to run farther and faster. Keep the heel raise to a minimum, relax your upper body and hands, keep your upper body poised and quiet.
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