Step it up a notch with the ALGIZ 2.0 LITE ICON NO23 and take advantage of their many benefits, including a flexible neoprene tongue and moulded Ortholite® recycled performance insole for supreme comfort. These hummel® indoor shoes are formed around a base built upon a SPEEDCORE energy return system for excellent and lightweight rebound and bounceback with each step alongside an X-LOCK heel stabiliser for structure and support where you need it most. This is brought together by a lightweight and breathable TRIPLETECH upper construction and TPU hotmelt reinforcement cage for a design which keeps you moving at all times.Product detailsSPEEDCORE energy return system with X-LOCK heel stabiliseMoulded Ortholite® performance insole and biobased PEBAX® Rnew lightweight midsole foamTRIPLETECH upper construction with TPU hotmelt reinforcement cageFlexible neoprene tongueEngineered mesh containing recycled PETQuality:MESH/PUDo not bleachDo not tumble dryDo not ironDo not clean