Regular size pants - Heavyweight thermal pants. Made of 100% polyester, this job-tested performance thermal has anti-odor properties and Work-Dry(R) technology that draws moisture away from the body to keep you comfortable. The fabric is fleeced on the inside to trap body heat while the rib-knit cuffs lock out cold air. The durable elastic waist provides ease of movement and the smooth jersey exterior allows for easy layering for even greater warmth.