The Model is wearing size M; Bust-34,Waist-27,Hip-36.

This is a 2-piece set consists of:
Breezy tie up halter-neck top.
High-rise Trousers, has an elasticated waistband
Tie-up knot at back of the waist for adjustment & styling .
Long side-slit in the trouser helps in swift movements along with giving an edge to the outfit.