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Polar Grit X2 Pro & Polar HR 10
Because the planet is our most beautiful playground
providing a biomechanically accurate and efficient stretch for calves
Large & flat front pockets
now lighter
RUMBLEROLLER - Original Blue Size:5" dia x 13" long (125 x 33mm) Polar Grit X2 Pro &FOAM ROLLERS MERELY COMPRESS MUSCLE When you roll on a conventional foam roller, a compressive force is generated. The amount of compression depends on the size of the contact patch between the roller and your skin. For a typical 6" diameter foam roller, that contact patch is large, so the amount of compression is small and the effect on deeper tissues is very limited. To counter this limitation, athletes often progress to smaller and harder rollers
