X-BIONIC Symbio Merino 3/4 Pants deliver targeted thermoregulation and medium compression for cold-weather activities, using the 3D Bionic Sphere® system with ThermoSyphon® to manage temperature and moisture. Key attributes: Gray | Grey | Merino wool | Thermoregulation via 3D Bionic Sphere® with ThermoSyphon® | Medium compression | Insulating ISO-Pad zones | Breathable, moisture-managing construction | Odor-control (Skin NODOR®) | Anatomical IDEO-Waistband for improved fit | Aktiv-Bund for flexibility and comfort | Expansionknee for enhanced mobility | Air-Conditioning Channel ventilation | 3/4 length | Ergonomic paneling | AirConditioningSpot at back of knee | Dimensions & fit: Body fit | Composition & care: 100% wool | Machine wash cold (max 40°C, mild process); do not bleach; do not tumble dry; do not iron; do not dry clean.