There are lots of things to consider when you buy bed sheets: Are they strong? Will they wrinkle? How easy are they to get on the mattress? But first and foremost, they need to be soft and comfortable if they truly are high quality sheets. While percale and linen sheets usually feel more crisp, like hotel sheets, they’re not ideal if you’re looking for the softest sheets. These materials make the softest bed sheets: Be aware that thread count doesn’t really matter when it comes to soft sheets: Cotton sateen is the only one from this list that’ll have a valid thread count (i.e. the number of yarns per square inch of fabric). Thread count is not a top priority when you shop for sheets because the fiber content and weave are also important, but a higher thread count can sometimes make sheets softer. (The sweet spot in our test is usually in the 300-500 range.) The Good Housekeeping Institute Textiles Lab tests sheets for aspects like fabric strength, pilling-resistance, and shrinkage and wrinkles after laundering. We then have at least 30 consumer testers come in and feel the fabrics in a blind comparison to give us feedback on the softness and overall feel. The picks ahead a...