The SMAI Muay Thai Syntec (Series 2) Shin Insteps are a combination of protection and functionality, with the Velcro closure positioned to ensure perfect support and an easy yet accurate adjustment. We have designed these insteps to protect your entire shin while still allowing maximum mobility to make sure you can perform at your peak. The structure is made of pre moulded EVA foam covered in a synthetic material which offers you a quality and cost effective product built to last.