100 Percent American-Grown Extra-Long Staple Cotton/ Single-Ply 600 Thread Count Sateen Weave/ Mercerized For Softer, More Vibrant Color/ Breathable, Pill Resistant, Strong Fiber/ Extra-Deep Pockets For Mattress Depths 6 To 22 Inches/ Universal Fit Design With Ultra-Thick Elastic/ Extra-Long Staple Cotton Verified By Supima Association/ Charcoal Grey Finish