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The double wall insulation actually does its job—my iced coffee stayed cold through a whole afternoon of hiking, and the straw lid didn’t leak a drop when it bounced in my bag. It’s hefty when full, but that’s a fair trade for not needing a refill.

The 50oz capacity means I only refill once a day at work, and the double wall insulation keeps my iced coffee cold for hours. The straw lid is totally leak resistant in my bag, which is a huge relief. Exactly what I needed for long hikes.

The 50oz capacity means I only fill it once before my long hikes, which is perfect. The straw lid hasn’t leaked in my bag yet, though I wish the lid locked more securely.