Filson's Mackinaw Wool Vest is a heritage-inspired, insulated layering vest built for warmth and mobility. Its V-shaped neckline and multiple pockets make it practical for outdoor work and everyday layering. Key attributes: Blue | Navy | Wool | Warm without bulk | Breathable | Suitable for near-freezing temperatures | Button-front closure | Side handwarmer pockets | Open-stow chest pocket | Slotted-utility chest pocket | V-shaped neckline | Sleeveless | Heritage-inspired design | Composition & care: 100% Wool | Do not wash; do not bleach; do not tumble dry; iron at 110°C; restrictions on water, mechanical action and temperature during dry-cleaning.