5559 WAIST TROUSERS WITH 37.5 TECHNOLOGY - 37.5® technology helps keep the body at the ideal temperature of 37.5°C. It also regulates the microclimate near the skin, maintaining the relative humidity at 37.5%. When you are hot, patented active particles embedded in the material remove sweat during the evaporation stage, cooling you - before sweat drops form. When you're cold, these same active molecules retain energy and remove moisture to keep you warm. Fully stretchable waist pants with 37.5™ technology. The sides at the top are not stretchy to ensure that the pants stay secure on the waist. Modern cut. Spacious leg pockets on both sides. A pocket on the left leg for tools and pens, as well as one phone pocket with a magnetic lock and a holder for attaching an ID badge. On the right side there is a pocket for a ruler and a pocket for tools. Holster pockets. Under the holster pockets there are regular side pockets with zippers. Internal back pockets. Ventilation openings on the inner and outer thighs with mesh lining, also ventilation on the back of the knees. Pre-shaped knees. Internal pockets for knee protectors, adjustable at two height levels. The holster pockets are reinforced with Cordura® and the knees are reinforced with Cordura® stretch for increased durability and freedom of movement. Material: 89% polyester (including 40% according to 37.5® technology), 11% spandex