Blucher full brogue, with thick festoon and broad tongue. Colour: Black. Weight: 324gr.. Last: Budapest. Upper: Calfskin. Lining: Pig leather suitable for diabetics. Waterproof Puratex membrane. Insole: Leather with gel in heel. Outsole: Carbon fiber. Size: EU de 36-47. US de 5-13. Fast Twist insert system First crown of hard cleats to fix to the field. Second cleats crown to improve stability. Waterproof membrane: Puratex. (2 years warranty ) Waterproof treatment: silicon seal, midsole aditive and thermo plastic perimetre layer. Midsole:2 density Ethyl Vinyl Acetate. Tongue: cushing to improve blood circulation. Insole:Bubble cushing to improve blood circulation. Memory foam collar.