Several embodiments of straps and headgear assemblies are described. Some of the embodiments provide straps that can had varied elasticity over the length of the straps. Some of the embodiments provide adjustment mechanisms that facilitate customization of headgear to a user. One embodiment discloses an assembly comprising a hook tab (3302) with a forked configuration and a recessed region (3306).The hook tab (3302) comprises a plurality of fingers (3308). The plurality of fingers (3308) need to be raised simultaneously in order to release the hook tab (3302) from the underlying loop material of the strap (3304)
