SIR. takes inspiration from the cloudless skies and golden sands of its native Sydney, so it makes complete sense that its so renowned for its swimwear collections. This swimsuit has been cut from form-fitting lycra and features a glamorous deep V-neckline, allowing for an even tan as you lounge poolside. Its fitted with a detachable belt that cinches the waist for flattering effect, and is centred by a large, round buckle, lending a retro feel.