Abstract: A multilayer optical film includes a plurality of optical repeat units. Each of the optical repeat units includes at least four sequentially arranged first through fourth layers including first and third layers having respective f-ratios f1 and f3. The optical film has a first order reflection band having a reflection peak height Rp1 and any second order reflection band has a reflection peak height Rp2, where Rp1/Rp2?5. Rp1/Rp2 may remain at least 5 when changing at least one of the f-ratios f1 and f3 continuously by 0.2. A thickness of each of the second and fourth layers can be less than a thickness of each of the first and third layers by at least a factor of 2, or a thickness of a same one of the first and third layers can differ from a thickness of each other layer by at least a factor of 2.5.

Abstract: A composite textile yarn and a moisture management fabric made therefrom, the yarn comprising hydrophilic fibers embedded at the yarn center within a matrix of hydrophobic fibers such that the hydrophobic fibers are concentrated at the periphery of the yarn, a transition area between the center hydrophilic fibers and the peripheral hydrophobic yarns in which both fiber types are present.

Abstract: A composite textile yarn and a moisture management elastic fabric made therefrom, the yarn comprising an elastic filament and hydrophilic fibers embedded at the yarn center within a matrix of hydrophobic fibers such that the hydrophobic fibers are concentrated at the periphery of the yarn, a transition area between the hydrophobic fibers concentrated about the elastic filament at the yarn center and the peripheral hydrophobic yarns in which both fiber types are present.

Abstract: A conventional shoe which comprises a shoe upper of continuous and uninterrupted material attached to an outer sole has its shoe upper lined with an air-cooled, breathable shoe liner comprising an outer knit layer of hydrophilic material, an inner knit layer of hydrophobic material, and monofilament yarns of hydrophobic material extending between and interknitted with the outer and inner layers for maintaining an air chamber therebetween, such that moisture from the foot of the wearer is transmitted by the inner layer and the monofilament yarns through the air chamber and is absorbed by the outer layer and passes into the shoe upper to be dried by the outer air.

Abstract: Headgear comprising a head-encircling band of extruded or molded thermoplastic having a channel formed along one edge and a transparent crescent-shaped plastic visor attached at its concave edge to the band within the channel so that said edge is concealed within the channel and said transparent visor, embodying within its diameter a pocket provided by a layer of plastic welded thereto within which is sealed a logo or emblem.