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Psst. Your shoulder called. It needs a break from all the heavy stuff you’ve been lugging around in your purse. Seven lip glosses and four copies of The New Yorker? It’s time to downsize, people. Here are the eight essential items you need in your bag this summer.

A Lightweight Scarf

OK, it’s a million degrees in the city right now--but the hotter it is outside, the colder it’s going to be in movie theaters, restaurants and office buildings all summer long. So keep a lightweight cotton, silk or linen scarf (like this one from Anthropologie) folded in your bag just in case.

An App That Keeps You Cool

Fact: When it’s sweltering, the subway platform isn’t a fun place to be. Minimize your time underground with the amazing phone app Exit Strategy. It shows you where to stand on the platform so you can get on the train and then be right in front of the exit at the next station.

A Midday Pick-Me-Up

New Yorkers hit the ground running as soon as they get out of bed, and by the afternoon, tiredness shows up around the eyes. Keep Olay Regenerist Micro-Sculpting EyeSwirl in your bag to dab under your eyes and instantly brighten up without a greasy look. Did we mention it also combats the wrinkles you’re probably getting from squinting at emails on your phone in the park?

Olay Regenerist (starting at $26)

Hand Sanitizer

When every kid on your subway car is eating a melting SpongeBob Popsicle, a sticky situation is bound to occur. Always be prepared with a mini bottle of hand sanitizer. (Bonus: You can use it as deodorant if you’re in a pinch.)

A Collapsible Water Bottle

Schlepping a giant reusable water bottle for 25 blocks? No, thanks. Grab a collapsible bottle like the Hydaway instead. It stores 21 ounces of water and can be pressed flat for easy storage when you’re done.

A Handy Frizz Fighter

Trust, a bottle in your bag will be a lifesaver this summer. Keep some Pantene Pro-V Airspray at the ready for when the hateful subway humidity attacks your hair. It’s the first-ever alcohol-free aerosol hairspray. Tame those flyaways, then continue on your merry way to the nearest rooftop bar.

Pantene Pro-V (starting at $5)

A Blister Kit

Whether you’re breaking in new sandals, wedges or heels, you’re way more likely to get blisters in the summer because feet tend to swell in the heat. Arm yourself with extra bandages, antiseptic gel and heel protectors to keep your tootsies comfy.

The Perfect Summer Read

There’s nothing like an impromptu trip to Sheep Meadow to kick back with a good book, so keep one (or a hundred, if you’re a Kindle owner) handy in your bag at all times. We’re currently obsessed with Sweetbitter by Stephanie Danler, an enthralling novel about the fast-paced NYC restaurant scene.

Related: 5 Summer Dresses Every New Yorker Needs

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