Hydro Flask | SKU: S21SX/162YEL

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21 oz (621 ml) Standard Mouth Bottle

Drinking Bottles

€40⁰⁰

Color: Fossil

Hydro Flask 21 oz (621 ml) Standard Mouth Bottle Black-Moonshadow-Fossil-Cascade #- 53 Degrees North

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Care information

The unique double-wall vacuum-insulation protects temperature for hours. Cold drinks stay icy cold and hot drinks stay piping hot, so you can stay refreshed for any adventure.

Shipping & Delivery

We offer FREE delivery on all orders over €100 (excluding overweight items*) to the Republic of Ireland and Northern Ireland. For any order below this value, we charge a small delivery fee of €5 per delivery. Exceptions apply.

For international orders, shipping charges are calculated based on the weight of your order and the rates provided by our delivery partners. You can estimate your delivery cost using our calculator in the basket or at checkout.

Extended Returns

We’ve extended our returns period to 8th January 2026, so you can shop early and gift with confidence. You can return items for a replacement or refund, with a few exceptions. Returns are free to our stores in Dublin Carrickmines, Dublin Blanchardstown, and Cork City Centre.

If you ordered from outside of Ireland, please read our returns policy. Read more about our return process here.

Description

Keep life moving with our 21 oz (621 ml) bottle and Standard Flex Cap. It stashes easily into a small shoulder bag, your pack’s side pocket or your car cup holder, and holds enough ice-cold goodness to keep you going for hours without weighing you down. No wonder it's one of our bestselling water bottles.

Specifications

Features

Versatile, middle-of-the-road size
TempShield™ insulation eliminates condensation and keeps beverages cold for up to 24 hours and hot for up to 12 hours
Durable 18/8 Pro-Grade Stainless Steel construction
BPA-Free and Phthalate-Free
Compatible with Standard Mouth Insulated Sport Cap
Lifetime Warranty
Specs

Hydro Flask's proprietary powder coat means an easy-grip, sweat-free and extra-durable bottle that you can take anywhere.
Size

Made with 18/8 pro-grade stainless steel to ensure pure taste and no flavour transfer – and the durable construction stands up for whatever life brings.
Material
- Volume: 621 ml (21 oz)
- Mouth Diameter: 4.9 cm
- Diameter: 7.3 cm
- Height: 23.9 cm
- Weight: 0.320 kg (11.3 oz)
Ideal for

Everyday, Home, Travelling, Walking, Snow