acerbis pantaloni x body winterDRYARN polypropylene is considered the lightest yarn in nature (10 km of yarn weighs 1 g). The term DRYARN comes from the yarn's ability to not absorb water. Technical long underwear set. Use of highly breathable Dryarn yarn. The 3D pattern construction facilitates sweat evaporation. Maintains body temperature, resulting in improved performance. Provides thermal insulation even during rest. COMPOSITION: 75% Dryarn Polypropylene; 20% Polyamide; 5%