About COS

Welcome to COS, a trusted Clothing Store in Chicago, IL 60611, where style and quality come together. With a 4.00 rating from 81 reviews, we’re proud to offer great service and quality for every shopper.

Last updated: Sep 04, 2026

Business Hours

Closed · Sunday 11 am–7 pm
Sunday 11 am–7 pm
Monday 11 am–7 pm
Tuesday 11 am–7 pm
Wednesday 11 am–7 pm
Thursday 11 am–7 pm
Friday 10 am–7 pm
Saturday 10 am–7 pm

Customer Reviews

4.00
Based on 81 reviews
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Алина

Minimalist clean lines style clothing for men and women. Three stories. They have small kids section.

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Sor Ganbold

Very friendly sales assistants made me feel welcomed! Love cos's minimal design and very creative cut. Thanks!

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Connie Casillas

Beautiful clothing that are reasonably priced for being on Oak Street. The cashier was very friendly. What a breathe of fresh air!

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Emma G

Best quality work clothes, also the staff at this location is always nice and helpful.

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Christina Goode

Sophia and the other young lady in the mask was very helpful. The clothes are well made and reasonably priced. Only demerit- some items are priced cheaper at other stores...

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Sidney

Love that there was a sale, and the team member was so cool with great style! Didn't get her name, but she is valuable to the sales for this location!

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Arthur Allen

I love the clothing at COS. The workmanship is excellent, and I find their salespeople helpful and attentive. Shopping is always easy, as the store has a very calm vibe, very spacious with nice lighting.

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Marsha Jones

I’ve always been a big fan of COS! Followed them for years. This Chicago location definitely upholds their standard. It’s in such a beautiful space, really friendly sales associates, and constantly great clothing pieces. If you want the best shopping experience, Reese, Sophie, Anna and Jyoti will do you no wrong. These girls are marvelous and really get you great …

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ping liang

The sales associates are very friendly. In addition the minimalist design plus the industrial look really gives me a refreshing feeling. I like to linger at the store. The the large ceiling to floor window on one end of the building brought a lot of daylight in, which is helpful for me to see the true color of the clothing …

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Ajimon Thomas

Paid street parking in front, although its not really east to get a spot (especially on weekends). The shop is three floors. They have some amazing selection and the quality of clothes is top notch. Both me and my girl friend ended up getting some new clothes. The staff was also friendly and pleasant. The staff in charge of the …

People Also Ask

Where is COS located?
COS is located at 46 E Oak St, Chicago, IL 60611, United States, Chicago, IL 60611, United States. You can get directions here.
What is COS rated?
COS has a rating of 4.00 out of 5 stars based on 81 customer reviews.
What are COS's hours?
COS's hours vary by day. Please check the Business Hours section above for the full weekly schedule.
How do I contact COS?
You can reach COS by phone at +1 855-842-1818.
What type of business is COS?
COS is a shopping business located in Chicago, IL 60611. <!-- VOILA_REWRITTEN --> Welcome to COS, a trusted Clothing Store in Chicago, IL 60611, where style and quality come together. With a 4.00 rating from 81 reviews, we’re proud to …