The KR Strikeforce Men's Flyer Lite Bowling Shoe is 40% Lighter than comparable rubber outsoles. Soft, durable man made upper. Injection EVA outsole for lightweight, flexible and uniform cushion with FlexLite Technology. High abrasion non-marking rubber heel pads for slide control. Strobel lasted for increased comfort. #8 white microfiber slide pad on both shoes with FlexSlide Technology. Open cell foam deluxe Footbed. Features: Soft, durable man-made upper Injection EVA outsole for lightweight, flexible and uniform cushion with FlexLite Technology TM High abrasion non-marking rubber heel pods for slide control Strobel lasted for increased comfort #8 white microfiber slide pad on both shoes with FlexSlide Technology TM Open cell foam deluxe foot bed for maximum comfort 40% lighter than comparable rubber outsoles