New Nike Men's Small Hyperstrong Padded Camo Girdle White 12 Inches If you're making the transition 17.5:Green White If you're making the transition from metal bats to wood bats log number of reps and range of movement & store workout history Project M Trac onto a monitor or TV for easier viewing Curved wheels enable arcing turns that engage a wide range of muscles Braking action stops movement at any point start with short extensions and gradually increase over time Designed to create instability that works to build your core Ergonomically designed handles Removable device tray Sweat wicking fabric helps keep you dry and comfortable Strategically placed foam padding and hardplate over thigh help protect against impacts Compression fit provides locked in support Flat seams feel smooth against your skin Wide elastic waist offers a snug fit