NWT SKIMS Signature Swim Sarong Skirt in the color Onyx in a size L Landed this after an accidental bid on a Live Show. Make my loss your gain! Can fit M - XL comfortably. Website Description: The statement-making cover-up with endless dressing options. Lounge poolside or transition to an après-swim look by styling this feminine sarong over your bikini or one piece swimsuit. Fits true to size.