The NIB Mephisto Helen Nickle Cobra Slip On Sandals are designed for women in a Euro size 41 (equivalent to UK size 8.5 and US size 11). The sandals feature a stylish snake pattern in a multicolor design with a comfortable flat heel style. They are ideal for various occasions like travel, activewear, and casual wear, and are crafted with cushioned and breathable leather material. The adjustable strap adds to the comfort and the sandals are part of the Mephisto Helen product line, known for their quality and comfort.