Invest in this walled bottle from the Helly Hansen HH collection to make your training sessions more comfortable. It is an ideal way to stay hydrated during outdoor activities and activewear pursuits. The stainless steel material of the bottle will keep the liquid inside safe to drink while the environmentally friendly material makes it a better alternative to plastic. Designed with insulating properties the bottle will also regulate and maintain the temperature of the liquid inside., Insulated., Double Walled., Stainless Steel.