H&M is struggling to keep up with its sister stores Cos and & Other Stories. We shopped at all three and saw why.
![HONG KONG - FEBRUARY 4, 2018: A COS store in Hong Kong. COS (Collection of Style) is the upscale brand of Swedish retailer H&M Stock Photo - Alamy HONG KONG - FEBRUARY 4, 2018: A COS store in Hong Kong. COS (Collection of Style) is the upscale brand of Swedish retailer H&M Stock Photo - Alamy](https://c8.alamy.com/comp/M44KNW/hong-kong-february-4-2018-a-cos-store-in-hong-kong-cos-collection-M44KNW.jpg)
HONG KONG - FEBRUARY 4, 2018: A COS store in Hong Kong. COS (Collection of Style) is the upscale brand of Swedish retailer H&M Stock Photo - Alamy
![Opening of COS, HM sister store Juice and treats for shoppers at the opening of the COS store in New Yor Opening of COS, HM sister store Juice and treats for shoppers at the opening of the COS store in New Yor](https://www.imago-images.com/bild/st/0066079640/w.jpg)
Opening of COS, HM sister store Juice and treats for shoppers at the opening of the COS store in New Yor
![H&M brands Cos, and & Other Stories share the space of a former H&M store in New York on Friday, January 8, 2016. (© Richard B. Levine Stock Photo - Alamy H&M brands Cos, and & Other Stories share the space of a former H&M store in New York on Friday, January 8, 2016. (© Richard B. Levine Stock Photo - Alamy](https://c8.alamy.com/comp/FB5JPG/hm-brands-cos-and-other-stories-share-the-space-of-a-former-hm-store-FB5JPG.jpg)