Pretty opaque and pretty practical ndash thatrsquos pretty polly 40 denier knee highs soft and smooth woven these knee highs are a great option for wearing with skirts and trousers and a good pick to keep your feet cosy while maintaining a light fine feel compared to standard socks pretty polly 40 denier knee highs come in a convenient double pack and are superb value a consistently versatile and comfortable every day choice1112