Fox Frontier II X Bivvy

9.0/104 ratings

Long-stay anglers who want the Frontier II engineering in a more swim-friendly footprint than the XL

1 ManPole/Frame

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The WhichBivvy Verdict

The Frontier II X sits between the standard Frontier II and the XL in the range, and for a lot of anglers it is the Goldilocks option.

At 260cm wide and 198cm deep it fits swims that would swallow the XL whole while still giving you enough internal space to live from properly on longer sessions. The 140cm of headroom is the same as the standard Frontier II but the extra depth over the base model makes a genuine difference to how much room you have in front of your bedchair.

Everything that defines the Frontier II range is here. The geared ETS boss that prevents frame collapse mid-erection, the spring-loaded keyed elbow joints that click into alignment without faff, the 20,000mm VenTec blackout laminate lining that keeps you dry and dark regardless of conditions.

The four all-weather vents are now all accessible from inside the bivvy which sounds like a small thing until you have tried adjusting vents in a Frontier I at 2am in the rain.

The zip-in groundsheet is a genuine improvement over the lay-in-place design of the original, the widened front door makes access noticeably less undignified, and the Vapour Peak now comes in the box rather than as a separate purchase.

The X model also gets compatibility with the Inner Mesh Shield which the standard Frontier II does not, giving you an additional layer of insect protection and comfort on summer sessions.

Key Features

What does this mean?i

Waterproof Rating

20,000mm hydrostatic head

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Setup Speed

Pole/Frame

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Weight

19kg shelter only

What does this mean?i

Footprint

260cm wide x 198cm deep

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Capacity

1 man

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Model Year

2024

See It In Action

Full Specifications

Capacity: 1 Man
Width: 260cm
Depth: 198cm
Height: 140cm
Weight: 19kg
Hydrostatic Head: 20,000mm
Setup Type: Pole/Frame
Model Year: 2024

How Does It Stack Up?

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Pros & Cons

What we like

Fits swims that the larger XL simply cannot without sacrificing serious internal space
Geared ETS boss prevents frame collapse and makes erection noticeably smoother than the original Frontier
All four ventilation vents now accessible from inside the bivvy
Zip-in groundsheet is a significant improvement over lay-in-place designs
Vapour Peak, storm poles, carry bag and pegs all included in the box
Compatible with Inner Mesh Shield, Deluxe Wrap and Deluxe Extension for full accessory ecosystem
Available in green or camo to suit syndicate and estate water requirements
20,000mm VenTec blackout lining handles UK weather and summer early mornings equally well

Watch out for

19kg bivvy-only weight means this is strictly a barrow or drive-in option
140cm of headroom is adequate but not generous for taller anglers
Packed length of 155cm needs a large barrow bag
Inner Mesh Shield, Deluxe Wrap and Deluxe Extension are all sold separately at significant additional cost
Pole and frame setup takes considerably longer than a quick-erect design

Compatible Accessories

These accessories are designed to work directly with the Fox Frontier II X Bivvy. Each one extends what the shelter can do across different seasons and conditions.

Fox Frontier II XL Deluxe Wrap

Extends your Frontier II XL coverage by 60cm and converts it into a genuine 2 man shelter.

Features aligned vents, storm pole attachments and a Velcro plus D-Loop attachment system.

Available in green and camo.

Check price on Amazon ↗

Should You Buy This Bivvy?

Buy it if...

You want the full Frontier II engineering but the XL footprint does not suit your swims
You fish longer stays and want 20,000mm waterproofing with blackout lining as standard
You want a proper accessory ecosystem with Inner Mesh Shield, Deluxe Wrap and Extension all available
You need camo option for waters with strict shelter colour rules
You fish from a barrow and the weight and packed size are not a practical concern

Look elsewhere if...

You need to carry your kit any distance as 19kg plus your other gear is a serious total
You are tall and need more than 140cm of headroom - look at the XL at 165cm instead
You want a quick-erect system - the Frontier II X is a traditional pole and frame setup
You want the widest possible internal space - the XL at 270cm wide gives you significantly more room
You are buying your first serious bivvy and do not need the full Frontier II specification