Men's Burton Heavyweight X Base Layer Quarter-Zip provides heavyweight warmth with advanced climate and odor control technology for all-day comfort in changing conditions. HeiQ Smart Temp technology manages body temperature, while HeiQ Fresh delivers sustainable odor resistance without affecting breathability. Built with four-way stretch, chafe-free seams, and Bluesign® approved materials, this layer offers unrestricted mobility, lasting comfort, and reduced environmental impact.

• Heavyweight warmth with four-way stretch fabric
• Chafe-free seams for enhanced comfort
• HeiQ Smart Temp technology for temperature regulation
• HeiQ Fresh sustainable odor control
• Bluesign® approved materials for lower environmental impact

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