The Groove Belt(TM) is good for the office, the woods, the backyard, and everything in between. Just adjust to fit once and forget. The Groove Belt has the perfect amount of stretch giving you the most comfortable all-day fit ever. The buckle uses high strength, neodymium magnets for an easy, seamless snap-on/snap-off. And includes what we like call Stiff-Tech(TM) (aka: no folding in your belt loops). Proprietary webbing, rare-earth neodymium magnets and an A380 aluminum alloy buckle. The Groove Belt black/black. Your waist will thank you. We set out to design the perfect belt. The Groove Belt contains high strength neodymium magnets. Do not wear if you have a pacemaker or any other medical device that may be affected by magnetic fields. Easy snap buckle, perfect stretch, high durability all backed by our No BS 94 year Warranty.