The Nalgene Narrow Mouth 500ml Tritan Sustain Water Bottle inΒ Monochrome Jade combines the trusted design of the classic Nalgene with a Narrow Mouth ideal for hydrating in motion. Crafted from 50% recycled plastic using advanced recycling technology, this BPA/BPS-free bottle reduces fossil fuel use and greenhouse gas emissions. Its durable Tritan material ensures long-lasting performance, making it an ideal choice for environmentally conscious users seeking a reliable, sustainable hydration solution.