The ISA Shirt combines Swiss-knitted craftsmanship with Portuguese sustainable production. This long-sleeve essential features a round neckline and contrasting overlock seams for a refined finish. Engineered for comfort, the fabric provides natural warmth, insulation, and temperature regulation to adapt to your body's needs. Flat seams ensure a smooth, irritation-free fit against your skin. Crafted with environmental responsibility at its core: the fabric meets high ecological quality standards, and every piece is sewn using 100% solar energy. A timeless wardrobe staple that performs as beautifully as it's made.

76% Wool, 19% Polyamide, 5% Elastane