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SIMMS THERMAL 1/4 ZIP

Our warmest midlayer for cold days, the M's Thermal 1/4 Zip Top adds warmth on its own, or layer it under your favorite jacket to dial in reliable comfort. A grid-fleece interior traps heat next to-skin without adding bulk or limiting range of motion, and a smooth exterior makes for seamless layering.


  • Smooth faced grid-fleece layers perfectly with our baselayers to provide maximum warmth
  • High collar with a quarter length zipper allows for venting and easy on and off

FABRIC TECH: Body - 255gsm 93% polyester, 7% elastane finished with antimicrobial + moisture management
ITEM #: PG-13314
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