Wolverine - Bolt Durashocks Duraspring CarbonMAX. Color Steel Gray. On sale for $109.95. MSRP $120.00.. 3.6 out of 5 stars+3Brand NameWolverineProduct NameBolt Durashocks Duraspring CarbonMAXGenderMen'sColorSteel GrayPrice$109.95MSRP: $120.00Rating4Rated 4 stars out of 5(194)