Features:- SlimTechnologies:Oeko-Tex®:- ODLO´s Functional Underwear bears the Oeko-Tex® label Confidence in Textiles, which certifies textiles tested for harmful substances in accordance with the Oek-Tex Standard 100. Our product meets the current human-ecological requirements: no carcinogenic ingredients, no formaldehyde, free of allergy-causing dyes, skin-friendly pH value.Warm:- Highly functional sportswear with excellent thermal insulation that keeps the body warm when it's cold outside. With the fabric's effective moisture wicking properties, the skin is kept dry and warm. Warm thermal quality is ideal for all winter activities.Care:- Machine Wash Warm [40°]- Do Not Bleach- Do Not Tumble Dry- Do Not Iron- Do Not Dry Clean