Beeswift Long Sleeve Thermal Vest is perfect for outdoors or cold environments. This base layer provides the wearer an additional source of warmth, while still allowing the body to breath and enabling a full range of movement. A comfortable fit that is close to the body and virtually unnoticeable under everyday work clothing. The short sleeved theremal vest is made from soft polyester/viscose fibre. Ideal for Warehouse, Distribution, Construction, Trade, Engineering, Fabrication, Farming/Agriculture, Rambling/Walking and Winter sports.