Shop our range of Donegal Tweed Jackets and accessories for Men. Our Mens Tweed Jackets are made from 100% Lambs Wool in the finest quality Donegal Tweed. A Tweed Blazer is an investment and a quality Tweed Jacket will last you through many seasons for years to come. Our Mens Tweed Blazers and Jackets are from Donegal company Triona Design and are available in a diverse range of designs and colours which have been inspired by the rugged Donegal Landscape along the Wild Atlantic Way. Enjoy FREE worldwide delivery on orders over €249.00.