OSO CP-1 Polymer Collars

We test and review fitness products based on an independent, multi-point methodology. If you use our links to purchase something, we may earn a commission. Read our disclosures

Product Highlights

This is the Reinforced Polymer version of OSO’s CM-1 Metal Barbell Collar, also available separately in aircraft grade aluminum. The innovative new design includes rubberized interior plugs for a superior hold on the bar, along with an updated handle and a fresh new exterior look. Categories: Collars

Check Price