The Reebok Nano X3 Froning sneakers are designed to provide you with ultimate comfort, style, and performance. This round-toe shoe features synthetic and textile upper, unique lace-up system, and brand detailing on the tongue and footbed. Textile lining. Pull tab on the back. Textile midsole. Rubber outsole. The Reebok Nano X3 Froning sneakers are designed to provide you with ultimate comfort, style, and performance. This round-toe shoe features synthetic and textile upper, unique lace-up system, and brand detailing on the tongue and footbed. Textile lining. Pull tab on the back. Textile midsole. Rubber outsole. Imported.