"What Our Gearhead® Experts Are Saying: ""This setup is perfect for everyday use. The 32oz size hits the hydration sweet spot—it’s big enough for long hikes but not bulky. The Straw Lid makes sipping easy while the silicone boot keeps it quiet and protected when I set it down. Plus, it stays icy cold all day, no matter how hot it gets."" Hydration meets durability with the Hydro Flask 32oz Wide Mouth Straw Lid & Boot Bottle. Designed for effortless sipping and rugged adventure, this bottle keeps drinks cold for up to 24 hours thanks to TempShield® double-wall vacuum insulation. The leakproof Straw Lid opens easily with one hand, making on-the-go hydration simple—no twisting, no spills, just pure refreshment. The included Medium Bottle Boot adds a layer of colorful protection, cushioning the base from bumps and dings while keeping your bottle stable on any surface. Built from durable stainless steel with a pro-grade finish, it resists dents, odors, and flavor transfer for fresh-tasting water every time. Whether it’s a trail companion or your desk essential, this set is ready to go anywhere you do."