Louisville Slugger Series 7 Stick Pack We built the Series 7 equipment bags to combine spacious storage and cutting-edge technology. Not only is the back pack design compact and portable, the extra-durable construction will extend the life of the bag through the ups and downs of your season. And with Series 7, you can leave your mark with a removable, personalized sleeve. Spacious Storage with large opening 2 Neoprene bat sleeves Mesh pockets store water bottles or additional bats Comfort Padding Protective Pocket defends valuables Removable personalization panel Abundant storage pockets Fits helmet with facemask Durable J-style fence hook