[Recommended points] This functionality, this price! We have kept the basic functions and are particular about high quality and low price value! Because we are experts who have been dealing with baseball uniforms from top manufacturers for 80 years and know everything about them, we have carefully selected materials, cutting, and other details. [Function] Anti-slip treatment: The waist elastic part of the pants has a treatment that prevents them from slipping down and slipping up. Signed name: Both the top and bottom have a registered name tag on the inside of the garment. Prevent loss. Spare button: Comes with a replacement button so you don't have to worry about losing it. Flexibility: Flexible sewing fabric that does not get stiff. Outer material: Made of abrasion-resistant fabric. Double layer structure in areas that are prone to tearing. Lining: Made of honeycomb structure fabric that feels good on the skin and has excellent breathability. Sewing: Compatible with a wide range of body types. Designed for the best cutting based on JASPO size.　 Stain removal: Uses tightly woven fabric for overwhelming dirt removal. Material: 100% polyester. [Advice from a baseball specialist with 80 years of experience selling sporting goods] When playing baseball, we always recommend famous brand spikes, gloves, and bats that suit your body.Practice wear is a consumable item. We recommend replacing it periodically. It gets extremely dirty every time you practice, so we recommend alternating between two or more pairs to use as spares when washing. It can also be used as practice clothing for local youth baseball teams.