CoolSleeve Garment Only UnderCool 3 while the Headband targets your

while the Headband targets your head

or sizing up or down

bio-based PCM designed to stay comfortable under clothing without soaking you or your gear

and outdoor events

Very small hotel or mini‑fridges/freezers often don't get cold enough or circulate enough air to refreeze the packs quickly

CoolSleeve Garment Only UnderCool 3 while the Headband targets yourAlready have your CoolSleeve66 cooling packs? This one's for you. Whether you're replacing a well loved sleeve, adding a second pair to your rotation, or sizing up or down, the CoolSleeve Garment Only gets you exactly what you need without paying for packs you already have. What's Included: 2 CoolSleeve garments (1 for each arm) Garment only: cooling packs not included Garment Facts: 4 way stretch for a flexible, secure fit 75% Nylon 14% Latex 11%