the.com/twopiece
Half the fabric, twice the confidence, sold separately and worn together.
means A garment or outfit made of two coordinated pieces, most often a swimsuit or matching top-and-bottom set.
from Plain math made fashion: the count of pieces became the name, popularized when 1940s swimwear split the one-piece in half and dropped the bombshell.
Bikini siblingBikini is the bolder, smaller twopiece variant.
Suit logicA men's suit is technically a twopiece too.
Slang twistAlso a two-piece meal at chicken joints.