Abstract: Disclosed are knee pad assemblies, methods and systems comprising a knee pad base and an outer cover that forms the contacting surface of the knee pad. A removable cover may be secured to a knee pad base. Replacement cover configurations may be provided that are adapted to various surfaces, including roofing, tile, wood, carpet, concrete and asphalt. The knee pad base can be adapted for different user weights and durations for wearing the pad. The outer cover can provide a floating suspension. The knee pad base may be held in place on knee of the user by various mechanisms. The restraint mechanisms can be adjusted by the user. The knee pad assembly can also include a tension/release mechanism so that strap tension is decreased or released when kneeling but increases tension or engage when the user stands to retain the knee pad in the desired location.

Abstract: A clean carry apparatus provides a clean surface for use and a clean exterior after use. A storage area and base area are connected to a changing area at at least one hinge point. The base area and changing area pivot away from each other at a second hinge point to lay on a surface. The storage area pivots away from the changing area at a hinge point and rests on the base area to expose a clean changing surface. After changing, the storage area pivots back to lay flat across the changing area and contain soiled surfaces within the changing area. By lifting the clean carry apparatus, the base area and changing area pivot together, containing soiled surfaces in contact with the surface. An embodiment provides a privacy shield for changing. Another embodiment provides a foldable mat with a clean area.