Adidas Adipure IV TRX Soft Ground Football Boots X-TRAXION clip-in system - For an adaptable grip on softer ground surfaces. Kangaroo leather - Making these boots both lightweight and durable. For a glove-like fit. Soft and durable synthetic lining - For added comfort whilst pacing the pitch. Pre-molded EVA insole with extra cushion insert in heel - Designed for unbeatable comfort. External heel counter - Allowing for great stability and comfort.