What are men required to wear during Islamic obligatory prayers (dress requirements, length, colors, images, writing, design, etc. )?

Both obligatory and optional prayers require the same outfit descriptions.

Dress requirements: It needs to be loose, cover the shoulders, cover chest and back, and cover the knees. The length of the pants should not drag and go way below the ankle and touch the ground.

Length:
The length of the pants should not drag and go below the ankle and touch the ground.

Colors: Any color can be worn as long as the color is not flashy or neon, especially neon red and orange should be avoided.

Images: No Images with souls should be worn.

Writing: If the fonts are small and not distracting then there are no restrictions. However, if the fonts are big and attractive to make people tempted to read while praying behind that person, then this kind of writing should be avoided.

Design:  There are no restrictions on design as long as the design is not abnormal and does not cause distractions to others praying people.