The Boulder - 20 oz Bottle with Screw Top & Strainer

The Boulder is your go-to companion for every adventure. This 20 oz powerhouse keeps drinks ice-cold for 60 hours or piping hot for 12 hours, thanks to TriMax® Triple Insulation and premium stainless steel construction. The removable strainer lets you brew tea, infuse fruit, or chill with ice—no plastic touching your drink thanks to the Reflecta™ Insulated Screw Top Lid. Rugged silicone bumper, secure carrying strap, and cup holder friendly design mean it's built to last (backed by a 100-year warranty). Swap lids whenever you want. Stay hydrated, stay adventurous.