The Thermal bib Knicker is constructed of a high-quality thermal weight microfiber fabric with a focus on comfort and quality. The thermal fabric offers a brushed interior that is soft to touch and provides warmth while riding in cooler temperatures. Bib uppers are made with a wide, soft, and stretchable microfiber for comfort and breathability. The knicker length ends mid-calf and has a small silicone gripper at the leg opening. Cirro chamois.