Versatile Insulation for Trail, Travel, and Town Cool temperatures call for a layer that delivers warmth without unnecessary bulk. The Men's Vesper Insulated Shirt Jacket combines versatile lightweight insulation with clean styling that transitions seamlessly from daily routines to travel, trail walks, and cool-weather hikes. The shirt jacket design offers a refined look while maintaining the comfort and performance needed for active days outdoors. The lightweight, bluesign® approved 20D ripstop stretch woven shell moves easily whether navigating city streets, exploring new destinations, or hiking local trails, while VerticalX Eco SR™ insulation—made from 55% Repreve® recycled polyester and 35% Sorona®—provides breathable warmth and moisture management without overheating. A smooth stretch lining enhances comfort over a base layer or tee, while the flexible design layers easily as conditions change. Balancing everyday style with lightweight outdoor performance, the Vesper Insulated Shirt Jacket is built for everything from morning commutes to afternoon hikes.