Explanation : The best cotton for comfort, durability, and silky softness is the cotton with the longest, strongest fibers. Pima, Sea-Island, and Egyptian cotton are all referred to as extra-long staple cotton (ELS cotton). They all lead to better cotton comfort than other cotton varieties, yet Egyptian cotton wins the contest for having the longest, strongest fibers. This cotton is used in making thread, raincoats, underwear, and hosiery. ....Read more