Snickers Workwear LiteWork Seamless Thermal 37.5 Long Johns Leggings - 9409 Experience dry, warm working comfort in this advanced first layer. Developed for intense active work and featuring 37.5 technology for the best in ventilation and moisture transport. Knitted with seamless design and and with improved ventilation knit in areas where you sweat the most. 37.5 is a natural active-particle technology that captures and releases moisture vapour for a superior microclimate next to your skin. Extremely quick-drying fabric five times faster than similar fabrics for superior fresh and dry working comfort Keeps your body dry and fresh all day long with its innovative natural anti-odour treated fabric. Advanced body-mapped design with mesh ventilation where you sweat the most Seamless design for ultimate comfort. Size: XS-XXXL See size chart Material: 58% Polyamide, 42% Polyester 37.5