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Keep up with SELF staffer Jaclyn Emerick as she preps for her first-ever marathon.

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It’s about 28 degrees and there’s four inches of fresh snow covering Manhattan.

This is why gear matters: It’s uber important to be warm and comfortable in cold conditions.

Plus, who doesn’t want to look the part?

The Marathon Diaries Winter Running Gear MustHaves

At just 8.8 ounces, they’re light but still supportive.

They’ve got great cushion, which makes them ideal for distance.

They’re the perfect pair for pavement pounders with a neutral gait.

Nike Elite low-cut running socks.

Cold as it can be, DO NOT don two pairs of socks.

That won’t give you extra warmth, just monster blisters.

These are comfortable, supportive and best of all, super warm.

They’re left/right specific and compressive.

Do your feet a favor and get a few pairs.

These coils slip over running shoes and give great traction on packed snow and ice.

They may look like something straight out of your dad’s tool shed, but they’re legit.

And funky as they may appear, you shouldn’t feel them under your feet.

I walk and run as I would without them.

Under Armour Armourbite performance mouthwear.

This little guy is wacky, but it works.

The Armourbite increases strength by allowing for improved airflow and less clenching.

It also increases endurance by enlarging airway openings (which results in less lactic acid buildup).

And it reduces stress by decreasing cortisol production.

Pretty darn cool if you ask me.

CamelBak Annadel women-specific hydration pack.

It’s lightweight and hands free, which makes for a fumble-free thirst quencher.

It holds 50 liters of water, so I take a few sips at every mile.

Plus, it’s pretty.

lululemon athletica W Brisk Run gloves.

These fit like a glove.

There you have it.

I may be sporty, but I love to shop.

I truly believe that getting great gear can be the ultimate perspiration motivation.

So go now, stimulate your body and the economy.

If you’re interested in my physical training plan, read on.

Here’s what my week looked/looks like.

Sidebar: Yes, my body hurts.

No, I don’t have much of a social life.

Monday 2/21: 2 p.m. Run 14 miles at a steady, easy pace

Tuesday 2/22:

7 a.m.

Teach a 45-minute Spinning class

Thursday 2/24:

7 a.m. 4 p.m. Yin yoga atExhale