With these temperature-regulating sheets featuring Outlast technology, you won't be too hot or too coldyou'll be just right. Outlast technology, originally developed for NASA, utilizes change phase materials that absorb, store and release heat for optimal thermal comfort Outlast technology buffers against temperature fluctuations, helping to keep your personal microclimate steady and comfortable Outlast helps alleviate spikes in skin temperature that cause sleep disturbances by absorbing and storing the excess heatas you cool, the stored heat is released back to the body to keep you at the optimal temperature 500-thread-count pima cotton Twin sheets fit mattresses up to 12 deep Full, Queen and King sheets fit mattresses up to 15 deep 3-piece Twin and Twin XL sets include: fitted sheet flat sheet pillowcase 4-piece Full, Queen and King sets include: fitted sheet flat sheet 2 pillowcases Twin, Twin XL, Full and Queen sets have standard pillowcase(s). King sets have king pillowcases. Extra pillowcases are sold separately. Cotton. Washable. Imported. Twin: flat sheet is 66x96; fitted sheet is 39x75; pillowcase is 30x20 Twin XL: flat sheet is 66x96; fitted sheet is 39x80; pillowcase is 30x20 Full: flat sheet is 83x96; fitted sheet is 54x75; pillowcases are 30x20 Queen: flat sheet is 92x102; fitted sheet is 60x80; pillowcases are 30x20 King: flat sheet is 108x102; fitted sheet is 78x80; pillowcases are 40x20
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