Chill Sleeves with Thumb Holes


Don’t let the sun’s harmful rays take you out of the game. Coolcore’s Chill sleeves provide maximum cooling and UV protection during your favorite outdoor activities. Designed using breathable fabric, our Chill sleeves are the perfect accessory for everything from running to kayaking.




  • Fabric: 92% polyester, 8% spandex
  • Elastic at both ends to ensure sleeve stays put
  • Hypoallergenic
  • Mechanically engineered chemical-free cooling technology never washes out
  • Flatlock seaming for reduced bulk and abrasion
  • Silver reflective logo heat seals at top hem and inside wrist
  • Sold in pairs


Designed using Coolcore’s patented chemical-free cooling material the Chill Sleeve keeps you cool and offers UV protection during all your outdoor activities. Weather you’re going for a run, kayaking, hiking, doing yard work, or fishing this comfortable accessory will keep you cool for maximum performance.

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