This product is a set of two pieces of muscle shirts designed for men. The muscle shirt is made to fit medium to extra-large sizes, providing a comfortable and snug fit for those who wear medium to extra-large sizes. The muscle shirt is perfect for those who want to show off their muscles and keep them warm during exercise.

The muscle shirt is made of a material that is not specified in the product information. However, it is designed to provide comfort and support during exercise. The muscle shirt is perfect for those who want to show off their muscles and keep them warm during exercise.

The product information does not provide any information about the design of the muscle shirt. However, the muscle shirt is designed to be comfortable and provide support during exercise. The product information does not provide any information about the color of the muscle shirt. However, the muscle shirt is designed to be versatile and can be worn with a variety of outfits.

In conclusion, this product is a set of two pieces of muscle shirts designed for men. The muscle shirt is made to fit medium to extra-large sizes, providing a comfortable and snug fit for those who wear medium to extra-large sizes. The muscle shirt is perfect for those who want to show off their muscles and keep them warm during exercise. The product information does not provide any information about the design of the muscle shirt, but it is designed to be comfortable and provide support during exercise.