Blaklader Undershirt Merino Half-Zip WARM 4899-1732

Blaklader Merino Half-Zip Thermal Shirt WARM 4899-1732

This base layer thermal shirt is engineered to keep you warm and dry when working in cold conditions. Built with strategically placed insulation across the shoulders, arms, back, hips and seat, the shirt targets the areas where heat loss happens fastest. The construction uses 100% merino wool in a rib-knit structure that actively manages moisture, ensuring you stay comfortable throughout the working day. Designed for temperatures between minus 5°C and minus 30°C, this thermal undershirt pairs functionality with smart design features including a half-zip closure, contrast stitching and a ribbed wrist cuff. The extended back length provides additional coverage when bending and moving during work.

Key Features

• 100% merino wool with moisture-wicking technology
• Half-zip collar for layering flexibility
• Extended back length for full coverage
• Contrast stitched seams with ribbed cuffs
• Engineered for extreme cold working conditions

Recommendations from our Unishore Expert

When you're working outdoors in harsh winter conditions, a quality thermal base layer makes all the difference. This shirt's construction works to pull moisture away from your skin, keeping you dry even when you're active. The targeted warmth zones aren't just marketing speak either - they're placed exactly where your body loses heat fastest, which means you stay warmer for longer without overheating in less exposed areas. Layer this under your regular work shirt or jacket for optimal insulation. The extended back is a genuine practical touch when you're bending down or moving around the job site. If you're serious about staying comfortable in severe cold, this investment pays for itself through better performance and focus at work.

Product Features

• Material - 100% merino wool, 200 g/m²
• Sluicing - Half-zip
• Sleeve Length - Long sleeves with ribbed cuff detail
• Back Length - Extended
• Article Number - 4899-1732