EXCLUSIVE AT NET-A-PORTER. Gabriela Hearst's 'Gertrude' maxi dress is made from organic cashmere-bouclé that's blended with silk to give it an incredibly soft and luxurious feel. It has an elegant off-the-shoulder neckline and cinches at the waist with an equestrian-style leather belt.This product was created using Considered Materials and supports best practice in Animal Welfare. Find out more about NET SUSTAIN here.