Plaid Top and Short set with shirring detail on the shorts. Shorts are adjustable in length. Top features a tie in the back and adjustable straps. 
Model is 5’7 size 6/8 wearing a size Medium. 
(Both top and bottom come in the same size- mix matching not available).
Size Guide:
Small: US Size 2-4
Medium: US Size 6-8
Large: US Size 10-12