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Designed to be the most effective foam roller on the market, every detail on the R4 Body Roller was considered. The size, surface texture, material density and shape were optimized to target specific muscle groups. The key focus points are the center groove to align with the spine and neck, along wi...
Designed to be the most effective foam roller on the market, every detail on the R4 Body Roller was considered. The size, surface texture, material density and shape were optimized to target specific muscle groups. The key focus points are the center groove to align with the spine and neck, along with a profile to help loosen tight IT-bands, calf muscles and many other areas of the body. Feedback from elite athletes and physical therapists were crucial to the development of the R4 Body Roller.
Features
Specs
Footwear Sizing
For Women's Footwear: B is the standard width. 2A is narrow, D is wide, and 2E is extra wide.
For Men's Footwear: D is standard, B is narrow, 2E is wide, and 4E is extra wide.
Sock Sizing (Based on shoe size)
Balega Womens: Small 6-8, Medium 8.5-10.5, Large 11-13, X-Large `13.5-15.5
Balega Men's: Small 4.5-6.5, Medium 7-9, Large 9.5-11.5, X-Large 12-14
Smartwool Women's: Small 4-6.5, Medium 7-9.5, Large 10-12.5
Smartwool Men's: Small 3.5-5.5, Medium 6-8.5, Large 9-11.5, X-Large 12-14.5
Swiftwick Women's: Small 5-7.5, Medium 8-9.5, Large 10-12, X-Large 12.5-15
Swiftwick Men's: Small 3-5.5, Medium 6-9.5, Large 10-12, X-Large 12.5-15
Saucony Women's: Small 5-7, Medium 7-10, Large 10-13, X-Large 13-15
Saucony Men's: Small 4-6, Medium 6-9, Large 9-12, X-Large 12-14
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