Bedgear hyper cotton split California king bed sheets from RC Willey will have you sleeping better than you thought possible. Light, smooth cool and comfortable, hyper cotton sheets have the soft feel of cotton, plus the addition of fabric technology that helps air circulate helping to regulate your temperature as you sleep. Classic cotton has gotten a high-tech twist in these lightweight, durable sheets and you’ll want to experience them for yourself. Includes two pillowcases, two fitted sheets and one flat sheet. Split California king size includes: 2 pillowcases, 2 fitted sheets, 1 flat sheet Quick dry technology that provides fast evaporation of moisture Allows 4 times the air flow compared to 100% cotton sheets, allowing your body to achieve optimal temperature regulation Powerband-ensures most secure fit and grip on your mattress and works great with adjustable bases Luxe powerband pillowcase ensures a snug fit to your pillow Seamless fitted sheet creates a smooth sleep surface and longer lasting construction Easy Care - machine wash & dry. Materials reduce allergens for undisturbed, sneeze-free sleep Ideal for all seasons Fits up to an 18" mattress