The KA53 Running 2-in-1 shorts sound like a versatile and functional piece of activewear designed for running, cycling, and gym workouts. Here's a breakdown of the features:

1. Outer fabric: The upper fabric of the shorts is made of NS Lycra fabric. NS Lycra is likely a high-quality, stretchy, and moisture-wicking material commonly used in sportswear to provide comfort and freedom of movement during physical activities.

2. Inner fabric: Inside the shorts, there is a dotnet fabric tighty. Dotnet fabric is probably a type of stretchy and breathable material designed to provide compression and support to the muscles during exercise.

3. Mesh fabric: The inside fabric is KA53 mesh fabric. KA53 mesh fabric is likely designed to absorb sweat and enhance breathability, keeping the wearer cool and dry during intense workouts.

4. Pockets: The shorts come with two pockets. One of the pockets features a YKK runner, which indicates a high-quality zipper that is known for its durability and smooth operation. ( only 1 side has a zipper pocket )

5. Drawstring: The shorts have a drawstring provided inside, allowing the wearer to adjust the waistband for a secure and comfortable fit.

Overall, the combination of the NS Lycra fabric, dotnet tighty, and KA53 mesh fabric, along with the YKK runner pocket and drawstring, makes these 2-in-1 shorts a practical and functional choice for various physical activities like running, cycling, and gym workouts. The moisture-wicking properties of the materials and the sweat-absorbing mesh fabric help to keep the wearer dry and comfortable even during intense exercise sessions.