Weatherproof Boys' Hybrid Mesh Base-Layer Set will keep him warm when chilly weather threatens. Heatlast technology traps heat and reduces static electricity. 95/5 polyester/spandex blend wicks moisture away from the body and helps regulate body temperature, reducing perspiration and odor. Unique blend gives fabric a luxurious touch with a perfect fit. Imported. Sizes: XS-XL. Colors: Black, Grey Camo.