Breathable mesh reinforced with heat-sealed overlay. Nylon mesh inserts. Suede inserts to reinforce strike areas. Anti-stretch liner and anti-slip rear liner. Suede and rubber reinforced toe cap. Made of fabric with anti-bacterial treatment and shock-absorbing expanded EVA, perforated and breathable. Abrasion-resistant rubber with Flex Rotax System, perforated and breathable NET Breathing System.