4 Season Evo H2out trousers are the perfect match for all SPIDI adventure jackets; it's ideal for all-year long motorcycle travelers. The main chassis integrates high-tenacity Extra Tenax 3-layers nylon 6.6 - offering excellent abrasion and puncture resistance - and a PU coated polyester, in comfort-sensitive areas. The 4 Season Evo trousers have CE certification to the En 17092-4:2020 Class A standard, they come with Multitech removable protectors in the knees and hips, certified to the EN 1621-1:2012 standard. Knees protectors are also adjustable (10 centimeters) in order to find the right position for each rider’s anatomy and riding style. The pants also feature the Step-In Wear System, a waterproof H2Out® 5K/5K membrane that can be worn inside the pants in rainy or colder conditions. There are 2 big ventilation panels strategically located in a position where ventilation and transpiration are at maximum level in riding position. There are 3M® Scotchlite® reflectors for excellent nighttime visibility and there’s a jacket-to-pant zipper connection for additional safety. Double YKK® zippers on the legs bottom make the pants wearable over or under touring boots.