Athletic Performance Mattress Pad (Extra Long Twin - Comfort Tech) Ideal for athletes and sized for Twin XL Bedding eatures Celliant Fiber - Increases Oxygen levels for rapid muscle recovery and promotes daytime performance level Clinically proven to reduce soreness, improve sleep, increase energy and regulate body temperature 300 TC 100% Cotton Cover naturally wicks away moisture / Hypoallergenic / Provides a protective, cushioned layer