Viking Gary Bamboo men's thermal underwear black 500-23-5514-09 Properties: The Viking thermal underwear set for men is perfect for activities on colder days. The properties of babusa fabric are aimed at regulating body temperature. Breathable, anti-allergic material ensures a high level of hygiene. The light and airy construction fits perfectly to the body. Material: 64% bamboo carbon fiber, 28% polyamide, 8% elastane Material weight: 230 gsm