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TERRMO

EPIC™ 15 – Medium High-Performance Cooler Bag

EPIC™ 15 – Medium High-Performance Cooler Bag

A rugged 15-litre insulated cool bag engineered for long-lasting cooling during full days out. Built for reliability, comfort and real-world use.

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Regular price £89.99
Regular price Sale price £89.99
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incl. VAT
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SKU:EPIC-BAG-S

Key Features

• Practical 15.5-litre format.
• 20 mm FrostLock™ insulation.
• Durable 840D outer shell.
• Premium, waterproof TPU liner.
• Box or bag form via side buckles.
• Waterproof front pocket.
• Adjustable shoulder strap.
• Accessory loops & tie-down points.
• Carabiner & bottle opener.
Full specs here.

What's Included

  • 1× TERRMO EPIC™ 15 cool bag.
  • 1× shoulder strap.
  • 1× fixed bottle opener.
  • 1× carabiner for accessories, attached.

Returns and Support

  • 30-day returns – no questions asked.
  • 2-year product quality protection.
  • Friendly customer support, 7 days a week.

Product Safety (GPSR)

GPRS Product Safety Information:

  • Use only as intended.
  • Do not overload beyond intended capacity
  • Keep zips and straps away from children
  • Do not use if damaged
  • Not a toy

Care instructions:

  • Hand wash with warm water and mild soap
  • Dry with a soft cloth
  • Keep the liner out of direct sunlight

Manufacturer: TERRMO Sp. z o.o., Plac Solny 15, 50-062 Wrocław, PL. Contact information.

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advanced medium car travel cooler bag by TERRMO

Rugged. Reliable. Superbly Insulated.

Engineered for extended cooling, up to 24–48 hours, in a practical medium-size format.

Feature-Packed. Built for Anywhere.

With dense insulation, rugged materials and practical extras, the EPIC™ 15 fits effortlessly into travel plans, camping weekends or simply keeping food fresh on long days out.

It keeps food and drinks chilled far longer than typical cool bags.

  • TERRMO EPIC 15 medium cooler bag dimensions

    Compact Shape. Surprising Space.

    A well-balanced 15-litre capacity that fits more than expected while staying easy to carry.

  • TERRMO EPIC cooler bag for beach top view

    Wide Opening. Easy Packing.

    A big, accessible opening that makes loading and finding items effortless.

TERRMO EPIC 15 - long lasting camping cooler bag

Packs 12 Cans.

Plus ice packs — and works with ice.

Only 1.1 kg empty

TERRMO EPIC cooler bags with two fold design

Adaptive Shape

A two-fold design:

• Box form (side buckles anchored), for tighter insulation under the zipper.

• Bag form (side buckles released), for taller items and wide access.

TERRMO EPIC 15 - a 15 liter family cool bag for picnic

Your Go-To Picnic Cool Bag.

Keeps everything chilled and easy to share, wherever the day takes you.

TERRMO EPIC 15L beach cooler bag

Epic Cooling for Beach Days.

Stay chilled, packed and ready from sunrise to sunset.

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Premium Quality. Built to Last.

  • Frostlock Insulation in TERRMO EPIC cooler bag closeup

    OUTSIDE

    Robust 840D polyester with a heavy-duty weave. Water-repellent and UV-resistant.

  • premium cool bag by TERRMO - TPU liner close-up

    INSIDE

    Premium-grade, durable and easy-to-clean TPU liner. Refined and fully waterproof.

  • TERRMO premium cooler bag - SBS zipper close-up

    ZIPPER

    Precision-made SBS size #10 zipper, strong and dependable. Designed for years of use.

360° FrostLock™ Insulation

FrostLock™ is a refined 5-layer insulation system engineered by TERRMO for consistent thermal protection and airtight performance.

A high-density 20 mm foam layer surrounds the entire cooler, delivering uniform, all-round cooling. The full 360° coverage stabilises internal temperature and supports long-lasting performance.

TERRMO EPIC cooler bags with thick insulation Frostlock

Thick. Dense. Effective.

Use with ice packs or ice cubes.

Up to 24–48 hours of cooling.

We recommend Ice Pro™ XL ice packs.

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Well-Equipped for Adventures.

With the range of practical features, the EPIC™ 15 adapts effortlessly to your plans.

  • TERRMO EPIC cooler bag with metal side buckles

    Metal Release Buckles

    Transform the bag into box form to strengthen insulation under the zipper.

  • TERRMO EPIC cooler shoulder strap close up

    Adjustable Shoulder Strap

    Strong, comfortable and fully adjustable, with multiple attachment options.

  • close-up of waterproof front pocket in TERRMO EPIC 5 cool bag

    Waterproof Front Pocket

    A waterproof-zip pocket for cash, keys, your smartphone or other items.

  • TERRMO soft cooler bag with tie downs and daisy chains for accessories

    4x Tie Downs

    Heavy-duty tie-down points for mounting the bag upright (car boot, motorbike rack, etc.).

  • daisy chains & accessory loops with a carabiner mounted on TERRMO EPIC cool bag

    Accessory Chains

    Loops for attaching extras; one metal carabiner included.

  • TERRMO EPIC 15 back pocket close up

    Back Pocket

    Deep, open rear pocket for a magazine, Kindle or a book. Fits iPad.

  • cooler bag with bottle opener by TERRMO

    Bottle Opener

    A fixed bottle opener that stays attached so you never misplace it.

  • close-up of a strap mount in TERRMO EPIC mini cool bag for travel

    4x Strap Mounts

    Four strap mounts (two on each side) for flexible carry options.

long lasting cooler bag folded for storage

Easy Storage, Less Bulk

Thick insulation, yet still compressible when needed to reduce storage space.

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EPIC™ 15

Frequently Asked Questions

TERRMO EPIC 15l family cooler bag medium

What sets the EPIC™ 15 apart from basic cool bags?

It uses a thick 20 mm insulation made from high-grade, higher-density foam, a premium TPU liner, an 840D outer fabric, and a two-way shape (bag form / box form). This results in stronger thermal performance and better durability than basic cool bags.

What fits inside the 15-litre capacity?

A full day’s food and drinks for one or two people, including lunch boxes, fruit, snacks and several cans or bottles. There’s also room for ice packs, making it ideal for picnics, travel and family outings.
It also fits up to 12 standard cans with room for ice packs.

How long can the EPIC™ 15 keep food or drinks cold?

With good ice packs, you can typically expect around 24–48 hours of cooling. Using ICE PRO™ XL packs usually delivers performance toward the upper end of that range.

Note: actual cooling time depends on factors such as how cold your items are when packed, how full the bag is, outside temperature and how often the zip is opened.

Can the bag also keep meals warm?

Yes. The 5-layer insulation reduces heat transfer in both directions, so warm meals stay warm for several hours.

Is the EPIC™ 15 suitable for transporting medication?

Yes. The EPIC™ 15 is suitable for transporting temperature-sensitive medication.

In our tests with a single ICE PRO™ XL pack, the interior stayed within a 2–10°C range for the entire day at 22°C ambient temperature, without falling below freezing. The larger space also allows you to avoid direct contact between medication and ice packs.

If you prefer something smaller for daily medication transport, the EPIC™ 5 cool bag is also a popular choice.

Always follow the storage requirements specific to your medication.

Is this cooler bag fully leakproof?

The base and side walls are fully leakproof, and the front pocket uses a waterproof zip. The main top zip is not waterproof, so melted ice or water can escape if the bag is tilted. The bag includes four tie-down points, allowing you to secure it upright in a car boot or on a motorbike/bicycle rack.

Why we didn’t choose a leakproof top zip?

Simple fact: leakproof zips have a short lifespan and are prone to failure. A failed zip compromises insulation, so after testing multiple options, we opted for a heavy-duty SBS zip that stays reliable over time.

Which ice packs work best with the EPIC™ 15?

Most ice packs will work, as well as loose ice. For the longest cooling times, we recommend using our ICE PRO™ XL packs, which are sized for the 15-litre interior and typically provide the best overall performance. 2x well-frozen Ice Pro™ XL packs can keep the cooler cold for 24-48 hours.

Can the bag be used with regular ice as well as ice packs?

Yes. You can use regular ice cubes, ice blocks or ice packs. The leakproof base and side walls contain meltwater without issues. For the longest cooling time, quality ice packs generally perform best.

How do I clean the inside and outside of the bag?

The TPU liner can be gently pulled up for easier access. Wipe it with a soft cloth and mild detergent, and keep it out of direct sunlight while drying. The outer 840D fabric can be spot-cleaned with water. Do not machine wash.

Does the EPIC™ 15 fold or compress for storage?

Yes. Despite the thick insulation, the bag can be pressed down and compressed to reduce its size when stored. It doesn’t fold completely flat, but it becomes much more compact.

EPIC™ 15 Specifications

Accessories
Carabiner, bottle opener, carry strap
Capacity
15.5 liter
Daisy chain loops
8 total
Dimensions bag shape
36 (L) x 18 (W) x 36 cm (H)
Dimensions box shape
36 (L) x 18 (W) x 30 cm (H)
Leak protection
100% sealed side walls & base
Liner
Thermoplastic polyurethane (TPU)
Main insulation
PU Foam, 20 mm thick
Main zipper
SBS #10, double-slider, not waterproof.
Outer shell
Polyester 840D (heavy-duty, water-repellent, UV-resistant)
Pockets
1 waterproof front, 1 open back
Strap mounts
4 total
Tie down points
4 total
Weight
1.1 Kg