Developed to enhance sleep quality and soothe the senses, this sheet set is woven from premium long-staple Egyptian cotton for exceptional breathability. 400TC offers the ideal density for bedding, delivering a perfect balance of softness and structure for year round comfort. The luxury sateen weave adds a cool, silky finish that feels smooth and gentle against the skin. Subtle 1/4" piping adds a refined detail, while the deep pocket fitted sheet fits mattresses up to16" Made from certified 100% Egyptian cotton from the Nile River Valley and independently tested to meet OEKO-TEX® Standard 100, the fabric is both luxuriously soft and safe for even the most sensitive skin.