Upgraded Invisible Swiss Base: The realistic hair in the hair seam area is manually woven onto the Swiss base, looking like real hair; The upgraded Swiss base fits the curvature of the head better and is suitable for almost all types of heads; Concealed design perfectly blends the hair topper with your natural hair; Even if observed closely, no one can tell that you are wearing a hair topper; You can confidently and generously show off your new hairstyle; Instantly Refreshed: Swiss Base with 3 anti-clips, breathable and easy to wear;Handmade weaving technology makes the thin Swiss base more lightweight and breathable, making it more comfortable to wear; Your scalp can breathe freely to prevent sweating and stuffiness; Warmer Reminder: Due to shooting lights and different computer monitor's color settings, very slight color difference may occur; We suggest that you observe your hair color outdoors in ample sunlight before making a selection;