No matter how cold it gets, you can work hard while staying warm with this new heavyweight thermal bottom. Made of 100% polyester, this job-tested, performance thermal has anti-odor properties and Work-DryŽ 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. As a testament to genuine Carhartt ruggedness, all seams are flat-locked stitched for added durability, comfort and strength.For over 115 years, Carhartt has manufactured premium workwear known for exceptional durability, comfort, quality of construction, and fit that you can feel in the fabrics and see in the performance.