The G10 includes the world's only active-anti balling system

A proprietary waterproof

Ice fisherman

000 treatments) and we’ll replace it with a new SteriPEN

Nalgene Classic 32oz. Water Bottle Chinook The G10 includes the world'sThe original. The trailblazer. The Sir Edmund of water bottles. If youre looking for a water bottle that will keep you well hydrated, hold up against bangs, bumps, and drops, and not leak a single drop ever, then the iconic 32 ounce wide mouth is your water bottle. Theres a reason why we havent changed its design in decadesbecause it works (extremely well). When you need greater capacity, the 48 ounce Silo is the ticket. Guaranteed leak proof. Easily