The Grisport outdoor collection is made from resistant and high performance materials all proudly Made in Italy according to strict quality and design processes. The soles of Grisport footwear are the results of incessant study on the morphology off the foot and feature a unique anti-torsion system that ensures better ankle support with a stable and enveloping grip. Hard on the inside for better stability, flexible, light and highly abrasion-proof on the outside. The patented and exclusive Grisport system, guarantees absolute comfort thanks to the sole composition that include: Actived carbon insole with anti-smell technology for excellent breathability. Ultra-light material insert that works as a stabiliser and shock absorber. Springs that create soft points under pressure. Expanded PU Midsole with micro air-bubbles. Compant PU rubber or TPU outsole for extra resistance and endurance. The Grisport Spo-Tex abd Sympatex waterproof membranes are made with a special design process for high breathability and long lasting waterproof protection. Inner lining made of tear and abrasion-resistant ladder-proof mesh fabric (25,600 cycles dry) that is very breathable. It creates an air circulation effect through a 3D air space. Strengthened toecap incorporated into the design of the sole ensures greater protection against impact. Long lacing systems ensures a snuggler fit and enables you to properly adjust any gaps inside the shoe for an optimal fit. UPPER - High grade waxy full grain waterproof leathers guarantee that Grisport footwear is resistant to wear and tear, High abrasion Flex Point. heal rubber rand for added protection LACING - speed-fastening articulated shock resistant hardware in lightweight non Ferris metal featuring self locking hook system that locks in while lacing up the boot LINING - AT 488 mesh lining made of tear and abrasion - resistant moisture management mesh that is very breathable. It creates an air circulation effect throughout the 3D air space SOLE – Exclusive three density Vibram outersole ensures optimum levels of grip with a lite weight PU midsole for maximum shock absorption and durability. R System - Rigid, torsion-proof arch support made of nylon placed between the PU and the rubber ensures improved torsional stability when Hiking or Trekking Membrane - Spo-Tex original waterproof linings. Rain and snow cannot get in, but because of its poromeric structure perspiration can escape through thousands of tiny micropores, so your feet will stay warm and dry, no matter how cold an wet it is outside.