Colder For Longer: Reusable ice packs for injuries with proprietary gel interior that stays Colder for Longer than competing cold packs using inferior clay or bentonite formulations. More Flexible ...

Commercial heat packs (containing iron and water, or supersaturated sodium acetate) and cold packs (various ammonium salts) can be used to show exo- and endothermicity. Heat packs that contain iron ...

Long underwear — a.k.a. long johns, thermals, base layers, or whatever else you want to call the cozy, body-hugging tops and bottoms worn beneath looser clothes in cold weather — is my ...