With Core Sliders from TRX, you can get your six-pack and strong abs by optimizing your abdominal training and strengthening your core stability. With TRX Kevlar AB Gliders, you can make dynamic stability exercises such as planks, push-ups, mountain climbers and other training exercises even more difficult. Thanks to KEVLAR material, your fitness equipment won't wear out, despite constant friction with the ground. Add new gliding challenges that require you to exercise your core (and other muscles) while trying to maintain stability. The TRX Kevlar AB Gliders come with a soft felt underside for a smooth glide.Package includes 2 TRX Kevlar AB Gliders.