The ISA Shirt combines Swiss craftsmanship with sustainable production. Knitted in Switzerland to rigorous ecological standards, then sewn in Portugal using 100% solar energy, this long-sleeve v-neck delivers both quality and conscience. Featuring fine-rib construction with decorative braid detailing, the shirt offers natural warmth and temperature regulation to keep you comfortable throughout the day. The seamless side construction eliminates chafing and enhances the clean, refined fit. A thoughtfully made piece where Swiss precision meets environmental responsibility.

100% Wool