Nalgene® 24 oz. N-Gen Bottle
Nalgene® considers this bottle the next generation. The opening is 53mm, putting it right in between its narrow and wide mouth siblings. Still constucted of the extremely durable, stain-resistant, BPA FREE plastic you've come to expect from Nalgene®. The top has a molded loop for easy attachment to packs, and has a soft touch for easy gripping.