Notice the 20% Spandex on the tag. Spandex (or elastane) add weight and hold water.
READ THE TAG
Have you ever noticed that some of your gear dries faster than others? Have you ever weighed your gear and noticed a garment with a thinner fabric weighs more than a similar garment with a thicker fabric?
The amount of spandex in the garment’s fabric is the difference. The higher percentage of elastane fibers (Spandex) the heavier the fabric will weigh and the longer it will take for the fabric to dry.
Elastomers are very heavy, hydrophilic (hold moisture) and degrade over time, loosing their elasticity.
I strongly recommend buying fabrics without spandex for back country hunting. High quality fabric suppliers have the technology advancements to produce stretch fabrics WITHOUT using elastomers such as Lycra.
Simply reading the tag inside your gear and avoiding fabrics with spandex will save you from carrying extra POUNDS in your back country kit and your gear will dry faster and last longer.