Hackett 

V-neck buttoned waistcoat

Corneliani

double-breasted waistcoat

Boggi Milano

zip fastening gilet

Hackett

zip-up gilet

Corneliani

zip sleeveless gilet

Corneliani

zip-up sleeveless gilet

LUIGI BIANCHI MANTOVA

button waistcoat

Eleventy

button padded gilet

Peter Millar

Coolspun Lite zip-up gilet

Paul & Shark

zip sleeveless gilet

Lardini

buttoned waistcoat

ON THE BUND

button-down waistcoat

Eleventy

zip-up gilet