A harness for sailing, comprising a harness body with a pair of side flaps, a groin piece connected to the harness body and connecting to a spreader bar assembly. The spreader bar assembly comprising a front piece, and a pair of distal flaps, in which a respective side flap can be positioned between the front piece and the respective distal flap to be releasably secured therein; the spreader bar assembly comprising a quick release strap positioned between each distal flap and respective side flap, such that when the quick release strap is moved distally of the spreader bar assembly, the distal flap is separated from the side flap.