Natural Cotton : The upper part is made of natural cotton for excellent comfort and breathability, you won't have sweaty feet even if worn for a long time. Warm Plush Fleece Lining : The super soft wool-like plush fleece lining wraps your feet very well and offers warmth and comfort. Super Soft and Lightweight : Soft sole, can be bent arbitrarily, curled, good elasticity, will give your feet more comfort sensations. Lightweight and Soft Shoes : The slippers are lightweight, breathable, and comfortable, which is perfect for daily use. Breathable Upper : Cotton upper, breathable, skin-friendly, and sweat-absorbent. The lining is nice, cozy, and soft, keeping your feet warm.