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Climbing is the ultimate lower-body workout, and it zaps 707 calories per hour.

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(You could torch a pound in one afternoon!)

So even if you do accidentally slip, you’ll still hang theresafely!in the air.

The only thing you’re responsible for tying: your shoes.

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Know, then go!Upper-body strength isn’t a mustCan’t do a pull-up?

Climbing, especially on beginner routes, is mostly about using your gams.

There’s no rush to the top.

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Take your time and enjoy the view.

A better bet: workout pants or capris you would wear to yoga.

You want them to be fitted, stretchy, super comfy and definitely wedgie-proof.

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Try itTo find a certified instructor, visit the American Mountain Guides Association atAMGA.com.

Heads-upHard hats protect your noggin from falling rocks.

This one, the Elia ($66;Petzl.com), adjusts to fit snugly.

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At the readyShe’s got a harness, belay equipment and chalk bagand so should you!

Try the Mammut Ophira Crag Bag Kit ($80;EMS.com).

Because the power to propel your boat comes from your core, every stroke will help whittle your middle.

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Ready to get on board?

And, um, leaning really far to either side?

How to not look stupidHush!

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Utter them aloud, even softly, and chances are, he’ll hear you.

Despite the name, the group also promotes recreational kayaking.

Paddle powerGet one that fits!

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Safety firstInvest in a jacket designed for women, like the Bella ($165;AstralBuoyancy.com).

It has a built-in sports bra to lend you extra support.

H2No!Say sayonara to soggy sandwiches.

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If you don’t already own the perfect bikini, start shopping!

May we suggest an itsy-bitsy, teeny-weeny, yellow, polka-dotted one?

Keep cradling your head as you emerge from the water and say something like “That was gnarly!”

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Because, honestly, when else can you use those words in a sentence unironically?

Know, then go!You won’t get sucked out to ChinaThat said, riptides are serious business.

Take that, Jaws!

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Wait until you hit the shore, then leash up!

Stand tallThe longer the board, the easier it is to stand on.

Trekking hilly routes burns 482 big ones each hour and tones your tush and thighs with every step.

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Know, then go!Phone a friendNo127 Hoursscenario for you!

Always let a pal know where you’re going and when you expect to get back.

…But no willy-nilly dialing!Save talking on your cell for emergency situations only.

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Top it offProtect your scalp.

The Outdoor Research Traverse ($30;OutdoorResearch.com) has a UPF 50+ guard.

Bike Gear: 5 Essentials We Love

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