Reebok Footwear Men Floatride Energy Century Grow Shoes CHALK/SEASPR/STEBLURun toward a more sustainable future in these Reebok shoes made with plant based materials. The castor bean midsole delivers the same lightweight cushioning and responsive ride as Floatride Energy Foam. The upper made from tree fibres provides a foot hugging fit with classy embroidery details that replace plastic adhesives. You'll find plenty of grip with the natural rubber outsole as you make each step count.