REI has select Naglene bottles on sale for 50% off. Free shipping over $50, or free store pickup.
32oz for $5.39
https://www.rei.com/product/10633…_e16d5a
16oz for $4.39
https://www.rei.com/product/10633…e-16-fl-oz
48oz for $5.89
https://www.rei.com/product/10634…e-48-fl-oz
32oz narrow mouth for $5.39
https://www.rei.com/product/10633…e-32-fl-oz