Nalgene. A common sight at base camps in the Himalayas and on hillsides in the Lakes, Nalgene bottles are the drinking bottle of choice for outdoor enthusiasts the world over. Famed for their indestructible design and easy functionality, Nalgene bottles and containers are available in a range of shapes, sizes and colours. From small 30ml storage jars for aeroplane carry on to the classic 1 litre wide mouth water bottle and Big Bore water bladder hydration systems. Nalgene Tritan bottles are BPA free.