A bath towel's quality is measured by its gram weight, which is a number that represents how many grams the towel weighs per square meter. The higher the grams per square meter (GSM), the denser the fibers of the towel are, making it softer and more absorbent. A GSM between 300 and 400 makes for a thinner towel, whereas a GSM of 450 to 600 is plush. A GSM of 700 or higher is considered luxury hotel quality.
Choosing The Right Towel
Check the GSM. Choose hand towels that have at a GSM of at least 400 to make sure they are sufficiently soft. For bath towels, choose ones that have a GSM of 500 or higher.
Check the fiber content. The towel should be made of either 100 percent natural fibers or microfiber. Turkish and Egyptian cotton have longer fibers that make the fabric softer and stronger, and combed cotton will resist pilling. Bamboo and hemp are more absorbent than cotton, and have antimicrobial properties. Microfiber is a synthetic fiber that is ultra absorbent and softer than cotton.
Take the towel off of the shelf and feel how heavy it is. High-quality towels are more densely woven and will feel heavier than they look.
Examine the towel's pile. The pile is the looped or cut fibers that make up the towel's surface. Uncut fibers are more absorbent, because the loop absorbs the majority of the water. Generally, longer loops are more absorbent and make the towels feel fluffier. Cut or sheared fibers may feel soft, but they won't soak up as much moisture.
Look for a tightly packed pile. The denser the loops are, the more absorbent the towel will be. On a high-quality towel, you should not be able to see the base of the towel through the pile.
Inspect the towel's edges. The edges should be double turned and double stitched to provide proper reinforcement. This will prevent the towel from fraying and ensure it has a longer life.