Welter Shelter Online Shop. Welter Shelter is an all-weather outerwear brand; designed in Amsterdam, produced in Europe. Their jackets represent the best of both worlds: warmth and protection provided by technical superiority. Coupled with an undeniable stylish exterior and excellent comfort. Welter Shelter jackets are made from the finest fabrics and materials on offer, Patagonian ecological wool, Italian cottons, Scottish wool blends, complemented by a technical three-layer membrane to make them 100% waterproof, breathable and wind resistant.