Extra-wide size & waterproof shell fully covers hair & preserves your style Tuck-free! The unique, open-back design makes it easy to keep all loose hair dry Adjustable back wire closure delivers a secure & comfortable fit for most hair lengths Luxurious satin lining is gentle on most hair types & helps prevent frizz Why You'll Love This: Wisteria-inspired pattern adds an elegant touch to your shower routine Super-soft inner layer offers extra comfort for a spa-like shower experience OEKO-TEX® Certified: This confirms that our satin is safe, sustainable, and environmentally friendly.