MSCHRikkelisa Waistcoat Grey Womens Waistcoats at M&S Womens Waistcoats at M&S Womens Waistcoats at M&S Womens Waistcoats at M&S. Fitting This waistcoat has a boxy fit. Composition 50% Recycled Wool & 50% Polyester. Vest With Wool The Rikkelisa Vest is a stylish layering piece designed to add both warmth and texture to your outfits. Crafted from a soft and cozy material, this sleeveless vest features a high neckline and a relaxed fit that makes it perfect for layering over shirts or lightweight sweaters.