VNLA The Denims Jam Roller Skates The boot on the VNLA Denim skate features a strong, fully stitched rubber outsole, and super tough skate shoe lining. The newly designed frame on this package is Vanillas nylon Gorilla frame and features a 5 degree action to increase stability with specially designed, cone shaped cushions to increase response. Vanilla jam plugs, designed and tested by Team Vanilla for all types of skating, are the recommended toe stop choice. The ABEC-9, race spec bearings will keep you flying around the floor and have been rigorously tested by Team Vanilla to make sure they will endure the test of time. Surrounding those great bearings, are top quality, super light Denim exclusive Backspin wheels with a nylon hub. All backspin wheels feature a lifetime warranty.