Blaklader Undershirt Half-Zip XWARM Merino 4699-1736

Blaklader Half-Zip XWARM Merino Thermal Shirt

When working in extreme cold, you need a thermal shirt that genuinely performs. The Blaklader Half-Zip XWARM Merino Thermal Shirt 4699-1736 is engineered for temperatures between minus 20°C and minus 35°C, keeping your core warm and dry throughout demanding shifts. Built from 100% merino wool with an interlock construction at 260 g/m², this thermal shirt delivers exceptional insulation whilst managing moisture away from your skin. The two-tone grey and black design features contrast seam detailing, a high collar with half-zip closure, and a lengthened back panel for extended coverage where you need it most. Ribbed cuffs at the wrist provide a secure fit, ensuring cold air stays out whilst you focus on the job at hand.

Key Features

• Half-zip collar for adjustable ventilation and easy layering
• 100% merino wool construction provides superior insulation properties
• Extended back length for comprehensive torso coverage
• Contrast seams and two-tone design for visual appeal
• Ribbed wrist cuffs maintain a secure, comfortable fit

Recommendations from our Unishore Expert

For work in severe cold conditions, this thermal shirt is your foundation layer. The merino wool composition naturally regulates temperature and pulls moisture away from your body, keeping you comfortable even during intense physical activity. Pair this with your regular work clothing to create a layering system that adapts to changing conditions throughout your shift. The extended back length is particularly valuable when you're bending or reaching, preventing gaps that let cold air in. If you're regularly exposed to extreme winter weather, investing in this quality thermal shirt makes a genuine difference to your comfort and safety on site.

Product Features

• Material - 100% merino wool, Interlock, 260 g/m²
• Closure - Half Zipper
• Collar - High collar with zip closure
• Back Length - Extended for additional coverage
• Cuff Detail - Ribbed wrist cuffs
• Design - Two-tone grey and black with contrast seams
• Article Number - 4699173