Holiday packing calls in a lot of elements, especially if you are going away for longer than a week. You need enough clothing to take you to the beach, the pool, sightseeing and then out for the evening where you may be dining, or dancing the night away. But baggage allowances seem to be falling every year, with some tour operators now only allowing 15kilos. So, finding versatile pieces that can be worn for both daytime and evening is a good move to keep the weight of your case down. The F&F halter neck dress is a piece that does just that. Although the style is halter neck, this is…