The new functional underwear Skintec made from TRI-BASE® material can be worn under jeans. In winter, the functional pants keep you warm & in summer it provides a cooling effect. Specially developed & designed to combine flexibility & comfort with the highest level of protection. Features Breathable Elastic Flexible TRI-BASE® material contains aramid fiber for strength, cotton & elastane for comfort, & special fiber from Protex-M to prevent burns Protex-M is melt resistant & has carbonization attributes that prevent secondary injuries Prepared for hip & knee protectors Good moisture transport from the body