The Neolite® Slider is a standardized test foot used on the Mark IIIB Tribometer. It is made of Shore 92A hardness styrene butadiene rubber (SBR), features 15 grooves and chamfered edges, and is designed to simulate the properties of a footwear heel. The Neolite® Slider is durable and can withstand repeated use. It is intended for use with ASTM F2508-2016.