What are the differences between the fabric types?
A membrane is defined in Webster’s as “A thin sheet of natural or synthetic material that is permeable to substances in solution.” Permeable means moisture can escape. The breathablilty, however, will not be like the nice sheets on your bed. These types of covers tend to hold in heat. If you are a sleeper who tends to sweat at night then this fabric may not be for you. One key component of the membrane is that it is waterproof. This is an advantage for bed wetters or incontinence. • Tricot- All Polyester. A more lightweight fabric. Good for Colleges and budget minded consumers. A bit more “scratchy feeling”. • Poly Cotton-Blend of cotton and polyester. Softer and heavier weight fabric then a Tricot. More body and good for cold sleepers. Also washes well very well. Much better for absorbency. • Stretch Knit-All Polyester but unlike the Tricot it is a circular knit which means the weave has a soft and silky quality too it. Major difference from the Poly Cotton is the knit which is more e
