Hydro Flask 21 oz Lightweight Standard Mouth Trail Series - Insulated Bottle - 621 ml - Celestine

The Hydro Flask 21 oz Lightweight Standard Mouth Trail Series - Thermal Bottle is 25% lighter than other 21 oz water bottles and provides the best cold drinking experience for your longest adventures. The narrow Standard Mouth opening is ideal for quick sips on the trail, and the slim bottle profile stows easily in a backpack pocket. TempShield™ insulation in an innovative, lightweight stainless steel design provides long-lasting cold refreshment.

Features of the Hydro Flask 21 oz Lightweight Standard Mouth Trail Series - Insulated Bottle

• Lightweight - ideal for hydration on the go
• Fits most outdoor water filters
• Durable construction made of high quality 18/8 stainless steel
• TempShield™ insulation prevents condensation and keeps beverages cold for up to 24 hours and hot for up to 12 hours.
• Flexible, perforated aluminum band and swivels for additional weight reduction
• BPA-free / Phthalate-free

Reduce weight with the Hydro Flask 21 oz Lightweight Standard Mouth Trail Series - Drinking Bottle.

Lightweight
Less weight, more options: This stainless steel bottle is 25% lighter than our 21 oz (621 ml) model Standard Mouth bottle.

Stainless Steel Construction
Thinner walls of high quality 18/8 stainless steel provide lighter weight without sacrificing product durability.

Lightweight Flex Cap
The Wide Mouth Cap with Honeycomb™ insulation and leak-proof design features a flexible perforated band and aluminum swivels for additional weight reduction.