Mack’s Slim Fit Shooting Earplugs offer the same great protection as our standard sized earplugs but are designed with a slightly smaller diameter providing comfort to those with smaller ear canals. Molded with super low-pressure skinned and tapered foam to provide unmatched comfort and improved hygiene. Slim Fit carries a noise reduction rating (NRR) of 29 decibels protecting your hearing during hunting tactical training target shooting skeet and trap shooting motor sports and loud events. Mack’s is the #1 Doctor Recommended Brand to prevent hearing loss and has the North American Hunting Club Field Tested Seal of Approval. McKeon Products is an ISO 9001:2008 quality certified company committed to supplying the highest quality innovative consumer products for hunters and shooters.