Abstract: A hat has a with a front part, a rear part, opposite side parts, and a lower peripheral edge extending along an arc length between an opening in the rear part. A pair of mating elements are structured to releasably couple at one or more length adjusting position and form a strap that bridges the opening in the rear part when the mating elements are coupled. Each mating element of the pair has a free end when uncoupled and an opposite end. Each opposite end is attached to the crown at a respective side part and spaced apart by an angle of 225° to 255°. Each mating element has an inelastic portion at the free end connected to an elastic portion at the opposite end. The elastic portion has a first segment and a second segment with elastic characteristics different from elastic characteristics of the first segment.

Abstract: An attachment system includes a case having a bottom including at least two slots, a strap inserted into the at least two slots of the case, and at least one add-on piece attached to the strap. The strap includes an attachment means, and the at least one add-on piece may include interchangeable jewelry pieces.

Abstract: An attachment system includes a case having a bottom including at least two slots, a strap inserted into the at least two slots of the case, and at least one add-on piece attached to the strap. The strap includes an attachment means, and the at least one add-on piece may include interchangeable jewelry pieces.

Abstract: An earphone article is provided including an earbud body including a speaker and at least one neck portion. An attachment means including at least one aperture is disposed in each of the at least one neck portion. A jewelry piece is affixed to the at least one aperture.

Abstract: An ear muff and headphone device having a warmth optimizing mode and a sound optimizing mode includes an earmuff body including at least one coupling element disposed along at least a portion of a perimeter of said earmuff body. A cushioning member is mounted on an interior side of the earmuff body, said cushioning member defining a rim area having a perimeter. At least one insulator member having at least one coupling element able to be releasably attached to the at least one coupling element of the earmuff body is provided.