According to reviews

no tags Youth models based on patterns used by Alex Bregman

Advanced 4-way stretch elastic material engineered for all-around compression without heat retention Gel buttress provides added pain-relieving compression to targeted area Ergonomic form-shaping design Helps stabilize and relieve soreness associated with Achilles tendon injury Fits left or right

Crotch Panel for better mobility

BLADESTUDS in the heel to stop on a dime

New Miken Burn ESD MBRBY Little League Baseball Bat 2 1/4 Red/Black 30/18:Red According to reviewsThis is a New Miken Burn ESD. 100% Composite Construction. This bat is new in the factory wrapper! It does not have USSSA 1. 15 BPF stamp. This bat has a barrel diameter that is: 2 1 4" and its an awesome bat!