New Balance Mens Long Sleeve 3000 Batting Jacket: MT73705 The greatest of all days is gameday. Prepare like the pros in the LS 3000 Batting Jacket, designed with data from athletes and built with a lightweight stretch woven fabric to encourage movement. Stay dry and cool during BP with the NB Dry technology of the LS 3000 Batting Jacket. An internal bungee helps with a secure fit and stretch material keeps you mobile, so you can swing for the fences without hesitation. 90% Polyester and 10% Spandex Relaxed silhouette Internal bungee Lightweight stretch woven fabric with diamond texture Stretch mesh panel through back and sides