Thicker - Increased the density of knitted fabric by 30% than last design, which become thicker and warmer. Softer - From natural cotton upgrade to artificial wool. It is almost as soft as wool. and not easy out of shape after worn and washed. Great adaptability - Increased the length of leg warmer to 2’3” (No stretched). Not only keep your calf warm, but also easy to stretch over the knees. Stay Up Well - After multiple tests and experiments, the leg warmer will stay up all day, feel free to walk or move as you like, not having to keep tugging at them to keep them up. BUY with Full Confidence & "Peace Of Mind" - If you're not 100% satisfied, Please contact us Replace it or ask a Refund within 6 months of purchase. Kayhoma Extra Soft Over the Knee High Leg Warmer Thicker - Increased the density of knitted fabric by 30% than last design, which become thicker and warmer. Softer - From natural cotton upgrade to artificial wool. It is almost as soft as wool. and not easy out of shape after worn and washed. Great adaptability - Increased the length of leg warmer to 2’3” (No stretched). Not only keep your calf warm, but also stretch over the knees when you want to protection them. Stay Up Well - After multiple tests and experiments, the leg warmer will stay up all day, feel free to walk or move as you like, not having to keep tugging at them to keep them up.