A seat cushion having a flexible and semi-rigid body is provided. The body has a seating surface, having a first area, and a support surface, having a second area, spaced apart from the seating surface forming a body thickness. The body has a body composition with a first percentage by volume of EVA (Ethyl Vinyl Acetate), substantially evenly mixed with additional materials, such as polyethylene, color pigment, polycarbonate, and/or dicumyl peroxide, in various percentages of the body composition. The seat cushion also has a plurality of spacing members spaced apart and substantially evenly distributed across the second area. The plurality of spacing members each have a spacing member composition with a second percentage by volume of EVA and with a third percentage by volume of rubber. The seat cushion further has a plurality of ventilation holes extending through the body from the seating surface to the support surface.

 
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< Engaging element useful for securing objects, such as footwear and other foot-receiving devices

< Fluid-filled bladder for footwear and other applications

> Carbide studs for stability and motive traction of footwear

> Pre-tensioned resistance exercise band

~ 00600