The T-shirt you're reading about features a picture of all members of Mamamoo including Hwasa, Solar, Wheein and Moonbyul, alongside the title of their song Hip. The song serves as the lead single for the group's second studio album titled Reality in Black. The album was released by RBW on November 14, 2019, and distributed by Kakao M.
Hip reached number 1 on the Billboard's list of US World Digital Song Sales, and ranked 2nd on the South Korean Kpop Hot 100 chart. It also peaked at number 4 on the Gaon chart.
The T-shirt is available in 3 different colors - black, white and deep heather. It is made of a soft fabric composed of a 100% cotton. It is elastic and very comfortable to wear. It can be hand and machine washed, and is very durable. You can be sure you'll be able to use it for a very long time, since it's durable and resistant to damage.
The Mamamoo T-shirt is available in a range of sizes from S to 6XL. That means you won't be having any problems with getting the right one for yourself or for any other Mamamoo fan.
The item is available from Amazon for a very good price of $21.88. It is definitely worth it if you're looking something related to your favourite group.