This kind has many names: tights, knee pads, leg pads, basketball socks and so on.

Some treasures are sold, of course, you can also go to some sports brand stores to sell related products.

Analysis: Leg protection: a tool to protect the legs from injury in daily life (especially in sports). Now it is common to make a protective cover for the legs, which is comfortable and breathable and easy to put on and take off.

Basketball:

Basketball is one of the antagonistic indoor sports centered on shooting, dribbling, passing, layup and dunk. High-quality games pay more attention to the integration of team and tactics. It was founded in 1892 65438+ 10 (another way of saying it is189165438+February) by Dr. james naismith, a teacher at the YMCA Training School in Field, Massachusetts, USA. He is not reforming a sport, but inventing a sport. He has just invented an indoor sport for the students of YMCA training college, and his invention has aroused positive response.

At first, he nailed two baskets of peaches at both ends of the stands upstairs in the school gymnasium, used football as a game tool and threw the peaches into the baskets. Later, it was changed into a hoop and hung on the Internet. Later, I cut the net and made the basket look like today. In order to improve basketball, a new sport, he formulated the rule of 18 in 1892, and then gradually revised and added the terms, and the number of people gradually decreased until each team required five people, which became a modern basketball sport. The size of modern basketball is 7800mL and the diameter is 24.62cm.