- Provides a full range of motion you can’t get from standard sit-ups; isolates the abs for optimal workout results
- Arch design naturally curves to the back for more effective core work that protects your lower back
- Perfect for high rep exercises like crunches, sit-ups and leg lifts; Ideal for head protection during handstand push-ups
- High-density foam gives comfort and the perfect amount of firm support for your back and spine while challenging your core muscles