Alleson Youth Crush Knicker Baseball Pants 100% DURA-Stretch 14oz double-knit polyester. 100% DURA-Light mesh vented back knee for increased breathability and comfort. Traditional knicker length pant with covered elastic bottom. Double layer knee construction for enhanced sliding protection. 2 ½” Gripper elastic waistband for a secure uniform fit. 5 pro-style belt loops. Zipper fly two snap closure.