The O'Brien BioLite Infant Life Jacket features O'Brien's eco-friendly BioLite material. This material looks and feels like Neoprene but contains no rubber foam or Volatile Organic Compounds, making it the most environmentally-friendly life jacket material on the market. Additionally, BioLite is lightweight, breathable, and more mildew resistant than neoprene. This infant life vest comes with added safety features such as a collar with grab strap and leg loop strap.