Tortoiseshell is a key trend for accessories in SS15 and nowhere more so than in sunglasses. Here's our pick of the best from some of our favourite artisanal makers: Han Kjobenhavn Timeless Amber Sunglasses Timeless Amber Sunglasses by Han Kjobenhavn Copenhageners Han Kjobenhavn specialise in traditional Danish craftsmanship and time-honoured silhouettes. These sunglasses are hand-crafted in acetate with Carl Zeiss lenses and presented in an anti-static branded carry pouch with cleaning cloth. Ciccio-Cheetah-Sunglasses Ciccio Cheetah Sunglasses by Super Sunglasses Super pioneered the return to acetate in sunglasses, and this pair is for the extrovert in all of us. Frames are hand-made in Italy from custom-sourced acetate and fitted with grey Zeiss lenses for extra protection. A hard storage box contains an anti-static carry pouch. Hampton-Dark-Tortoise-Clip-On Hampton Dark Tortoise Clip-On Sunglasses by Garrett Leight From their design studios on Venice Beach, California, Garrett Leight have created a pair of sunglasses that speak of days by the sea and cocktails poolside. The frame is hand-made in cellulose acetate, with feature core wire detail for added precision of fit. Grey CR-39 lenses offer 100% UV protection. Leonard-White-Tortoise Leonard White Tortoise Sunglasses by Illesteva Taking inspiration from the streets of New York City, where Illesteva are based, these classic oval frames are hand-crafted in Italy from acetate with a gloss tortoishell finish. A time-honoured style is complemented by grey UV400 CR-39 lenses. Each pair is presented in a hard carry case, with a micro-fibre branded bag for added protection. Wilson-Tokyo-Tortoise Wilson Tokyo Tortoise - Amber Honey Sunglasses by Garrett Leight Super-thin acetate is used for these classically-styled sunglasses, with delicate filigree detailing to the German-made hinges. Mineral glass lenses are in green for an optically-correct outlook. All our tortoiseshell tunglasses picks are available at Opumo.