This ultra warm and versatile soft long staple organic cotton is combed and ring spun to achieve the most luxurious Heavyweight Waffle Thermal Knit manufactured in the USA. This low carbon and pesticide free tumble dried organic cotton thermal is dyed with fiber reactive dyes in a closed loop system. From the yarn to the finished fabric, the entirety of the manufacturing process occurs within 150 mile radius of the Spiritex Asheville, NC headquarters.