Is percale better than sateen for hot sleepers?

Yes. Percale is a plain weave that breathes and feels crisp and cool, while sateen's satin weave traps more warmth and drapes smoother. Hot sleepers usually prefer percale.

Does Supima cotton make a real difference?

Supima is long-staple cotton, so the yarn is stronger and smoother than standard upland cotton. In practice that means less pilling and a longer life, though the crisp percale feel is the same.

Will these sheets soften after washing?

Yes. Percale typically feels stiff for the first two or three washes, then softens into a broken-in crispness. Wash cold and tumble low to limit shrinkage.

What comes in the four-piece set?

A flat sheet, a fitted sheet and two pillowcases. Queen and King sets include standard pillowcases; check the California King listing for its pillowcase size.

Do they fit deep mattresses?

The pocket depth is not specified, so measure your mattress first. Percale has little stretch, and a tight fit is the most common complaint on thicker mattresses.

How should I care for them?

Machine wash cold with like colors and tumble dry low. Skip fabric softener, which coats the cotton and reduces breathability, and remove promptly to limit wrinkles.