styrafoam and other matirials that don't conduct heat very well
The warmest fur coat you gan get would be made of fox fur.
The Gramicci Trekker is made from water-repellant materials that whisk water away from the skip to keep you cool and dry.
They are commonly made of a neoprene material or a neoprene and rubber material and are made specifically for triathlon events .They will keep you warm when swimming in cold water.
a heavy weight
coldest, bogest, and hornest(some type of outfit).
Gore-Tex is a type of material which is similar to (rip-stop)nylon but only more water and air resistant.
Thermal conductor, such as water
Metalic cups keeps the water cold and it can be also used to keep the water hot .
Incandescent light bulbs are usually considered the warmest type of light bulbs. They produce a warm, yellowish light that is similar to traditional firelight.
The warmest bedspread will be made of down feathers. You can get bedspreads stuff with different types of feathers ranging in both quality and warmth so check a guide like this one to make sure you're getting what you need: http://interiordec.about.com/od/shopping/bb/downcomforter.htm
Two Factors are the type of material. The best material water moves through is a partially permeable membrane. Another factor is the substances dissolved in the water and the substances inside the material. There can also be if there are pores that are connected.
what type of material the pipe is made out of.