The patented Sidekick is made with the laminate of cordura nylon, waterproof closed cell foam padding, and smooth nylon lining. The memory quality of laminate molds to the gun for an excellent fit, yet returns to it's normal shape when the gun is removed. It also has the patented nylon web sight channel, medium high ride design, and the double-slotted molded belt loop lets you wear it on holster belt up to 2 1/4" wide or a standard trouser belt. This model is compatible with your medium/large revolver.