New Balance Women's Apparel Size Chart The NB Radiant Heat Bonded Vest for women helps you run like a champion with the warming benefits afforded by new NB Radiant Heat technology, featuring metallic woven fabric inspired by marathon blankets. Infused with a unique plasma process, this fabric lines the chest, collar and part of the sleeves to deliver superior warmth retention by reflecting your body's heat back to you. Meanwhile, PrimaLoft(R) Thermoplume insulates your core with bonded baffles and a wind- and water-resistant outer fabric through the front body. NB Heat grid knit fabric on the back offers breathable warmth that helps wick sweat to make it movement-ready. Plus, this innovative layer features reflective detail that helps you stay seen during early morning and nighttime runs. Features: - NB Heat technology captures warmth while wicking away moisture - Athletic fit - PrimaLoft Thermoplume insulates your core with bonded baffles and a wind and water resistant outer fabric on the front body and sleeves - Iridescent reflective trims - Front zip with zipper garage - NB Heat grid fleece black panel - Zip pocket at back right hip - 100% Polyester