Engineered mesh upper Injection EVA outsole for lightweight, flexible and uniform cushion with FlexLite Technology High abrasion non-marking rubber heel pods for slide control Comes with a number 8 white microfiber slide pad on both shoe with FlexSlide Technology Lighter than comparable rubber outsoles by 40-Percent The KR Strikeforce Men's Flyer Lite Bowling Shoe is 40 percent 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. Comes with a number 8 white microfiber slide pad on both shoes with FlexSlide Technology. Open cell foam deluxe Footbed.