Havaianas Slim Rubber Logo Lilac Calm Thongs. This is our take on pastel perfection and everyone needs a touch of pastel in their summer wardrobe! This style features classic lilac slim Havaianas soles with matching lilac slim Havaianas straps and a contrast white rubber logo to complete the pair.All Havaianas thongs are made from premium Brazilian rubber. With Havaianas making their way all over the world, you might notice multiple sizes listed on your Havaianas. Our conversions and comparisons are always made using the Brazilian size as a base. It is usually the size at the bottom of the thong.