These BNWT M&S Sun Smart UPF 50+ High Waisted Black Bikini Bottoms in UK size 10 offer a stylish and practical addition to your summer wardrobe. Made from a blend of polyamide and elastane, these machine washable bottoms feature a high-waisted design perfect for a flattering silhouette by the pool or on the beach. With the trusted Marks & Spencer brand and upf 50+ protection, you can enjoy your time in the sun with confidence and style.