• 2 pieces: 1 men's thermal shirt, 1 men's thermal pant
• 60% Cotton, 40% Ultra-Soft Polyester
• These heavyweight cotton men's thermal sets are engineered with advanced performance and endurance in mind. The cotton-blend fabrics help you endure the harshest environments. Advanced thermoregulation technology works to keep you comfortable in a variety of environments.
• Featuring premium RetentionX waffle-knit fabric, these men's thermals feature a blend of cotton and stretch yarns. Multi-Wick technology keeps you warm and dry.
• Breathable waffle-knit thermal construction keeps you odor free. Functional fly.