These SS3B Soft 3/4 Buckle Back Thyroid Shields provides the most in comfort and weight. It covers only 3/4 of the neck buckling in the back with enough adjustment to fit any size. Like our famous SS1B Soft Thyroid Shield but w/ a 1” buckle closure in back. Thyroid shield wraps three quarters around the neck with a space in the back for the buckle closure. No hook & loop to stick to hair or wear out. Easy on and off. The nylon covering has inside seams around the neck for a soft surface. Exceedingly light weight. Adjusts to any neck width.