Hydro Flask - 21 Ounce Standard Mouth Lightweight Trail Series

Ridiculously light, and durable enough for any trail, the 21 ounce Standard Mouth Lightweight Trail Series™ bottle is 25% lighter than the other 21 ounce bottles and provides the best cold hydration experience for your longest adventures.

Features

• 24 Hours Cold/12 Hours Hot
• Temp Shield
• Pro Grade Steel (18/8)
• 25% Lighter
• BPA and Toxin Free