Featuring a hollow core design, the TriggerPoint GRID Foam Roller is composed of a patented multi-density foam surface to deliver firm compression on tight muscles, knots, and kinks. Three-dimensional surface allows tissue to aerate while you roll, promoting the flow of blood and oxygen - the nutrients needed to repair muscles Proprietary Distrodensity zones replicate the feeling of a massage therapist's hands Hard, hollow core hand-wrapped in EVA foam makes it firmer than traditional foam rollers 26" length can accommodate larger bodies or offer a more stable surface For beginners to advanced rollers
