Reebok Women's Z Belle Running Shoe 100% Synthetic/Fabric Imported Rubber sole Lace-up running shoe featuring breathable mesh upper with NanoStretch overlay for support Padded collar with easy-on loop at back Lightweight 5-mm EVA sockliner for comfort Single-density ZStrike-inspired pistons for cushioning Lightweight IMEVA foam for cushioning and responsiveness Minimal CRTek high-abrasion outsole rubber at heel and forefoot