WATERHAUL Sunglasses - SLATE Tide + Seek £60.00 Default Title Add to Cart Please fill in the form below if you'd like to be notified when it becomes available. Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. These stunning WATERHAUL slate coloured circular unisex framed sunglasses suits most small and medium faces. - Made from 100% recycled Cornish monofilament gill netting. - Scratch Resistance. - Optical Quality - Mineral glass has by far the greatest optical clarity of all lens materials, with an Abbe value of 59 (vs. 32 for polycarbonate).