POLARMAX POLAR 4 HEAVYWEIGHT CREW NECK BASE LAYER SHIRT – BOYS’
The Polarmax Polar 4 Shirt is a level 4 on Polarmax’s 1 to 4 warmth scale, making it their warmest option. This series incorporates stretch fabrics for a secure fit and maximum warmth-to-weight ratio without discomfort. Polarmax’s ACCLIMATE Dry Polyester is also treated for anti-odor and antimicrobial protection.
TECH SPECS
- 92% Polyester, 8% Elastane.













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