Hydro Flask Medium Tumbler Boot Black, One Size

What Our Gearhead(R) Experts Are Saying:"I slapped one of these on my 40oz Travel Boot and haven't looked back. It keeps my bottle from sliding around in the truck or clanking on granite at the crag. Plus, no more mystery dents after a hike. It's a small upgrade that makes a big difference."We count on our bottles to go everywhere with us-so it only makes sense to protect them. The Medium Tumbler Boot adds a layer of durable, grippy silicone to the base of your favorite Hydro Flask, helping it stay put and stay protected from bumps, drops, and everyday dings. Designed to fit snugly on multiple sizes, this boot cushions the base while giving your bottle a little extra grip on smooth surfaces. Whether we're hitting the trail or running errands, it keeps our go-to drinkware quiet, steady, and scuff-free.