Flintoff By Jacamo slim-fit wool textured waistcoat with a front button fasten, three jetted front pockets, printed lining & a back adjuster. This suit is made from Shape Memory yarn which is an innovative new technology & is produced through a special yarn construction & eco-friendly chemical treatment. This means the fabric obtains stretch without any elastic filament as the Shape Memory Yarn fabric's flexibility is permanent. This fabric can be stretched many times & will still keep the shape of the garment very well.