Product description Material: wool Size: 37-45 size Insole thickness: 2.3cm Suitable for the crowd: adult men and women color: White Package content: 1 pair of warm insoles 1.PERFECT WORKMANSHIP - Tightly stitched to the sheepskin, the wool felt layer and pigskin adheres firmly to the soles. The fleece will not come off and leave lint on your socks. 2.ANTI-SLIP & BREATHABLE - With 2.3cm thick 100% premium quality sheepskin material, the wool womens insoles offer gorgeous comfort and warmth to your feet whether in cold winter or rainy days. 3.HUMANIZED DESIGN- Ergonomically designed, inner insoles render the best cushion ever, and prevent injuries resulting from wrong feet support. 4.EXTRA WARM - These fleece insoles are perfect. They make your feet feel like they are in fluffy warm clouds.Soft and fluffy insoles can effectively relieve plantar fasciitis symptoms. 5.FITS MOST SHOES - These sheepskin inserts suitable for all your winter boots,shearling boots,snow boots,rain boots,bean boots,work boots,sheepskin slippers,running or walking shoes and so on