Lydia Bottoms in Blue Crush Medium Bikini Blackbough Swim Lydia Bottoms in Vanilla Rum Jacquard Medium Bikini Blackbough Swim Lydia Bikini Bottoms Black Thats So Fetch AU Lydia Bikini Bottoms Red Thats So Fetch UK. Get ready to show some cheek with our Lydia Bikini Bottoms! These bottoms feature a very cheeky fit, perfect for tanning and minimal coverage for maximum sun. The tie sides add a playful touch, and they pair perfectly with our Lydia Top. Embrace your inner beach babe and get ready to turn heads! FABRICATION: 82% Nylon 18% Spandex SIZING: Crystal's height is 162cm 5'3 and wears a size XS.