Roll, relieve and restore your sore muscles after an intense workout with the Trigger Point 13" GRID X Foam Roller. Featuring twice the firmness than the original, the GRID X is designed with a three-dimensional, EVA foam surface for a deeper massage experience. The Matrix Technology and Distrodensity Zones(TM) aerate your muscle tissue and help promote blood flow and oxygen in your calves, quadriceps, hamstrings and more. FEATURES Supports effective muscle repair so you can get back into your workout routine Great for use on your calves, quadriceps, hamstrings, back and much more Engineered to alleviate muscle soreness and tightness Compact and travel-friendly size makes portability a breeze to and from the gym Ideal for athletes desiring a more dense tissue massage and intense compression Offers twice more firmness than original GRID foam roller for a greater massage experience Releases muscle pain and tightness and improves mobility Increase circulation and range of motion Targets key muscle areas where knots and kinks are common SPECS Product Dimensions: 13" L x 5.5" D Product Weight: 1.5 lbs Extremely firm EVA foam roller used to massage muscles to release and relieve aches Features effective Matrix Technology and Distrodensity Zones(TM) for muscle relief Aerates muscle tissue and promotes blood flow and oxygen with three-dimensional surface Provides a sweat-proof, textured surface delivering super simple care and clean Tested to support weights up to 550 pounds Superior construction maintains shape with repeated use