Our 100% Human Solo hair extensions fall into the 'halo' or 'crown' category of extensions, sitting as they do around the crown area of your head. The hair is attached to one long, wide weft and strung onto the back of an adjustable microfilm wire. Simply move the notch of the wire . Buy headband Solo Hair Extensions, Ready to Wear halo hair pieces. One-piece hidden wire crown Extensions headband is similar to flip-In Hair Extensions. Amazon.com : Sono 1 Count 105 g 20' Solo Straight Sono 1 Count 100% Human Hair Extensions, #6/10 Dark Chestnut & Medium Ash : Beauty. Product Information Single wide weft hair extensionsAdjustable microfilm wireSits snugly on the crown of the head Product Description Color: Light Gold Blonde . May 7, 2018 - Sono's 155 g 18' Solo Straight 100 Human Hair Extensions fall into the 'halo' or 'crown' category of extensions as they sit around the crown of . Free shampoo + conditioner with any hair purchase! 'Close'. Soho Style · Summer Style . Lucy - Volume Topper Extensions. $ 320.00. 1 review. Quick view.