---
title: "Thermos Mountain FFX 900 ml"
name: "Thermos Mountain FFX 900 ml"
brand: "Thermos"
description: "Thermos Mountain FFX with a volume of 900 ml is an ultralight, durable, and compact thermos that will keep your drink warm for a long time."
handle: "thermos-mountain-ffx-900-ml"
sku: "150063"
ean: "5010576500632"
gtin: "5010576500632"
canonical_url: "https://gramino.com/p/thermos-mountain-ffx-900-ml"
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md_url: "/p/thermos-mountain-ffx-900-ml.md"
locale: "en"
market: "eu"
currency: "EUR"
price: 50.3
price_formatted: "€50.30"
availability: "InStock"
item_condition: "NewCondition"
category: "Termosky"
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  - name: "Thermos Mountain FFX 900 ml"
    url: "/p/thermos-mountain-ffx-900-ml"
last_updated: "2026-10-17"
---

# Thermos Mountain FFX 900 ml

Brand: Thermos · Category: [Termosky](/c/gear/thermoses.md)
Bottle thread: 36 mm · Material: Stainless steel, Silicone · Dimension: 30×8 cm

## Offer

- Price: €50.30
- Availability: In stock
- Condition: New
- Buy on the website: [HTML product page](/p/thermos-mountain-ffx-900-ml)

## Description

Thermos Mountain FFX with a volume of 900 ml is an ultralight, durable, and compact thermos that will keep your drink warm for a long time. With its top-notch specs, it ranks among the best on the market. It's made from stainless steel with detachable silicone parts.

## This could come in handy for you.

Durable and ultralight thermos with a volume of 900 ml that will keep your drink warm for a long time.

## Thermos Mountain FFX

Thermos Mountain FFX is at the top of its game when it comes to outdoor thermoses. Thanks to its **vacuum insulation** and **durable stainless-steel construction**, it’s extremely lightweight, has compact dimensions, and excellent insulating properties. Your drink (tea, coffee, etc.) will stay warm or cold for a long time, even in extreme conditions. With its **double** **closure** and **smart** **design**, it’s easy to open and close, resistant to impacts, and perfect especially for winter mountain environments. We offer this thermos in three color variations.

## Parameters

- Volume: 900 ml
- Weight: 390 g
- Weight (without silicone parts): 360 g
- Height: 30 cm
- Diameter: 8 cm
- Neck diameter: 3,6 cm
- Keeps hot/cold: 24 h
- Material: stainless steel, BPA-free silicone

We have the thermos available in 3 different sizes (based on internal volume): [500 ml](/p/thermos-mountain-ffx-500-ml), [750 ml](/p/thermos-mountain-ffx-750-ml) a [900 ml](/p/thermos-mountain-ffx-900-ml).

## Features

- **Low** **weight** – comparable to the weight of more expensive titanium thermoses. Without the removable non-slip ring and bottom protection, it's even lighter.
- **High** **insulation** **performance** – vacuum insulation that keeps your drinks hot or cold for up to 24 hours, even in extreme conditions. The manufacturer claims that after 6 hours, the drink's temperature is still above 77°C (with the starting drink temperature at 95°C and an ambient temperature of 20°C).
- **Non-slip cup** – made from two different hardness materials to prevent slipping. The wide bottom provides increased stability of the cup while ensuring an easy grip.
- **Anti-slip ring** – for easy opening even with gloves on. It also serves as protection in case of a fall. You can optionally remove it from the thermos to save a few grams.
- **Double closure of the thermos** – the thermos has a narrow neck (diameter 36 mm) with a double closure for better insulation and easier opening and closing. The inner part of the closure is equipped with a double thread with a larger pitch, which means you can loosen the closure by just half a turn and pour (with standard closures, you have to turn the closure a full turn).
- **Bottom protection of the thermos** – the bottom of the thermos is fitted with a silicone protection that shields it from scratches and reduces impacts when dropped. You can optionally remove this part from the thermos to save a few grams.
- **Easy maintenance** – you can easily remove and wash all parts of the lid, as well as the body and the cup of the thermos.

## Specs

- Color: Brown, Burgundy, Black
- Bottle thread: 36 mm
- Material: Stainless steel, Silicone
- Dimension: 30×8 cm
- Volume: 0.9 l
- Weight: 390 g
- Woocommerce product id: 135768
- Brand: Thermos

## Variants

- Thermos Mountain FFX 900 ml - Black · SKU 150063 · EAN 5010576500632 · €50.30 · In stock · Black
- Thermos Mountain FFX 900 ml - Brown · SKU 150061 · EAN 5010576500618 · €50.30 · In stock · Brown
- Thermos Mountain FFX 900 ml - Burgundy · SKU 150060 · EAN 5010576922625 · €50.30 · In stock · Burgundy

## Related

- [Thermos Style](/p/thermos-style.md)
- [Thermos Insulating Cover](/p/thermos-insulating-cover.md)
- [MSR Trail Lite 2 L Pot](/p/msr-trail-lite-pot-2000-ml.md)
- [Sea To Summit Frontier UL Collapsible Bowl](/p/sea-to-summit-frontier-ul-collapsible-bowl.md)
- [MSR Windburner Group Stove System](/p/msr-windburner-group-stove-system.md)
- [Sea To Summit Frontier UL Collapsible Cup](/p/sea-to-summit-frontier-ul-collapsible-cup.md)
- [Jetboil MicroMo](/p/jetboil-micromo.md)
- [TOAKS Titanium Long Handle Spoon With Polished Bowl](/p/toaks-titanium-long-handle-spoon-with-polished-bowl.md)

## Shipping and returns

- [Shipping and payment](/shipping-payment)
- [Returns](/return-order)

## Images

- ![Thermos Mountain FFX 900 ml](https://media.gramino.com/medusa/Thermos-Mountain-FFX-pink-01-01M551W2275WAV1RQGBMAFNMGE.jpg)
- ![Thermos Mountain FFX 900 ml](https://media.gramino.com/medusa/Thermos-Mountain-FFX-brown-01-01M551W22AXKDJPMQJ70H1JCTR.jpg)
- ![Thermos Mountain FFX 900 ml](https://media.gramino.com/medusa/Thermos-Mountain-FFX-black-01-01M551W22AEQJKF2KM0WQSKA1B.jpg)
- ![Thermos Mountain FFX 900 ml](https://media.gramino.com/medusa/Thermos-Mountain-FFX-02-01M551W22BE4DC0AARM86NC9CH.jpg)
- ![Thermos Mountain FFX 900 ml](https://media.gramino.com/medusa/Thermos-Mountain-FFX-03-01M551W22BPNGZ688MHXH86V5K.jpg)
- ![Thermos Mountain FFX 900 ml](https://media.gramino.com/medusa/Thermos-Mountain-FFX-06-01M556QEHM665H0VSC00D08TWN.jpg)
- ![Thermos Mountain FFX 900 ml](https://media.gramino.com/medusa/Thermos-Mountain-FFX-04-01M551W22CQYQSTJGRK1QN219R.jpg)
- ![Thermos Mountain FFX 900 ml](https://media.gramino.com/medusa/Thermos-Mountain-FFX-black-02-01M551W22C1ZGDVTNBWZRF5BA5.jpg)

## Identifiers

- SKU: 150063
- EAN: 5010576500632
- Handle: thermos-mountain-ffx-900-ml
- Brand: Thermos

This product is also available as [HTML](/p/thermos-mountain-ffx-900-ml).

Category: [Termosky](/c/gear/thermoses.md) · [Sitemap](/sitemap.md)

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