YETI Yonder 1L Water Bottle. The 1L / 34 oz plastic water bottle is light enough to carry you deep into the backcountry. Includes always attached 100% leakproof Yonder™ Tether Cap. Made from BPA-Free 50% recycled plastic excluding Yonder™ Cap. 50% lighter than Rambler® Bottles. Compatible with all Yonder™ accessory caps & large Bottle Sling (both sold separately).