How to Choose Foam for Your Pelican Case (Pluck, TrekPak, Custom Cut)

A Pelican case is only half the protection equation. The interior, the foam, the dividers, whatever holds your gear in place is what actually keeps your equipment from rattling, shifting, or impact-loading during transport. Pelican cases ship with a range of interior options, and the right choice depends less on the case model and more on what you are protecting, how often your loadout changes, and whether you can wait for a custom build. This guide walks through the four main foam systems available for Pelican cases, Pick-N-Pluck, TrekPak, Custom-Cut, and Replacement Foam and gives you a decision framework for picking the one that fits your gear, your timeline, and your budget.

The Four Foam Systems for Pelican Cases

Pelican has standardized around four interior protection systems, each designed for a different combination of equipment type, loadout flexibility, and setup time. Choosing well starts with being honest about how your gear is going to live inside the case.

• Pick-N-Pluck (Pluck) Foam - pre-scored grid foam you tear into shape by hand. No tools, no lead time.
• TrekPak Inserts - rigid foam-laminated dividers held in place with locking pins. Repositionable.
• Custom-Cut Foam Inserts - CNC- or waterjet-cut foam shaped to specific equipment. Made to order.
• Replacement Foam Sets - factory-style multi-piece foam matching the original case configuration.

Most Pelican Protector and Air cases ship with a three-piece pluck-style foam set out of the box: a top layer of pluck foam, a flat base pad, and a convoluted egg-crate lid foam. Anything beyond that, TrekPak, custom-cut, anti-static is an upgrade you specify at purchase or buy separately later. The good news is that all four systems are interchangeable in the same case, so you can change your mind without replacing the case itself.

Pick-N-Pluck Foam: The Fast, Flexible Default

Pick-N-Pluck, usually called "pluck foam", is the standard interior most Pelican buyers see first. The foam ships with a grid of small cubes that have been pre-scored almost all the way through but remain attached. To set it up, you place your equipment on top, trace the outline, then pull out the cubes inside the outline by hand to create custom-shaped cavities. No knife, no glue, no tools at all.

What it is best for:

• One-time setups where your kit is locked in
• Gear with mostly rectangular profiles (cameras, handguns, electronics, hand tools)
• Buyers who need a working case the same day
• Budget-sensitive setups

Where it falls short:

• The grid pattern limits how precise the cavity edges can be, you cannot follow a curve as cleanly as custom-cut foam
• Once you pluck a cube, it is gone. Reconfiguring for new gear means new foam.
• Cubes can tear at thin junctions over time, especially under repeated heavy loads
• Not ideal for equipment with extended barrels, lenses, or non-rectangular geometry

Pluck foam comes in standard polyurethane in most factory configurations and in anti-static (ESD-safe) variants for electronics protection. Setup takes about 10 minutes for a typical loadout. Browse the Pelican foam collection for replacement pluck foam sized to specific case models, including pre-cut sets for the 1510, 1610, 1620, 1650, 1720, 1750, and most other current Pelican Protector and Air models.

TrekPak: The Reconfigurable Solution

TrekPak takes a different approach to interior protection. Instead of foam cavities, it uses rigid waterproof closed-cell foam dividers, typically 7/16 inch thick, laminated to a corrugated plastic core, that you arrange inside the case and lock in place with U-pins. To reconfigure, you pull the pins, move the dividers, and re-pin. Pelican introduced TrekPak across its Air and Protector lines as a system designed for users whose gear changes frequently.

What it is best for:

• Photographers and videographers who swap lenses, bodies, and accessories between shoots
• Drone operators carrying mixed batteries, props, and controllers
• Anyone whose equipment list rotates seasonally or by job type
• Buyers who do not want to commit to a single permanent layout

Where it falls short:

• Rectangular cavities only, no contoured cradle for round or irregular shapes
• Less impact dampening than dense foam against direct hits on the dividers themselves
• Higher upfront cost than pluck foam
• Requires occasional re-pinning if pins loosen with handling

The rigid divider approach is a strong fit for gear that has flat-sided, padded outer cases of its own, like camera bodies and lenses with their own rubberized armor, where the divider's job is to prevent shift, not to contour the equipment. Foamerica stocks the Pelican TrekPak line for cases where the system is available.

Custom-Cut Foam: Maximum Precision, Some Lead Time

Custom-cut foam is the highest-end option. Instead of relying on a pre-scored grid or movable dividers, the foam is CNC-cut or waterjet-cut to the exact contours of each piece of your equipment. The result is a cradle that holds gear in a single, fixed position, minimal rattle, maximum shock absorption, and a layout that looks engineered because it is.

The process: you provide your case model and a list of equipment (with photos or measurements where helpful), the fabricator designs a foam layout, you approve, and the foam is cut and shipped. For repeat or institutional buyers, the design becomes a stored template, re-orders ship without redesign.

What it is best for:

• High-value gear where any movement is a risk: optics, instruments, weapons systems, broadcast equipment, medical devices
• Repeated, identical loadouts across multiple cases (military, EMS, AV rental, broadcast crew kits)
• Equipment with non-rectangular or extended-profile geometry that pluck foam cannot follow cleanly
• Professional applications where a clean, organized interior is part of the workflow

Where it falls short:

• Lead time - typically days to weeks depending on complexity, not same-day
• Higher cost than pluck or TrekPak
• Lock-in: the layout is fixed for the gear it was cut for. New gear means new foam.

Foamerica's custom foam cases collection also includes pre-designed custom inserts paired with the case, ready-to-ship layouts engineered for specific equipment categories like projectors, watches, optics, and tactical kits. These split the difference: you get custom-cut precision without the full design lead time. For a deeper look at how custom inserts change the protection profile of a case, see our breakdown on how custom foam inserts transform your Pelican case into a precision-fit gear system.

Replacement Foam Sets: When the Original Wears Out

The fourth option is the simplest. If your existing pluck foam is torn, compressed, or ten years old and starting to crumble, you do not need to replace the case. Buy a factory-spec replacement foam set sized to your specific Pelican model. These typically arrive as a three-piece set, pluck top layer, base pad, convoluted lid, matching the original case-shipped configuration.

When to choose replacement foam:

• Your case is sound but the foam is degraded
• You inherited or bought a used case without foam
• You want to reset a case to its factory pluck configuration after using it for a different layout

Replacement sets are model-specific. A foam set for a Pelican 1510 will not fit a 1520 cleanly. Foamerica stocks replacement sets for nearly every current and legacy Pelican Protector, Air, Storm, and Hardigg model. Pricing scales with case size, small cases like the 1120 start around $15 to $20, while larger sets for the 1650 range from $100 to $150 for a complete three-piece set.

Side-by-Side Comparison

How to Choose: A Decision Framework

The three questions that actually matter:

If you can answer all three, the choice is usually clear. If you cannot, the fastest path is to start with pluck foam, it is the lowest-risk option and you can always upgrade to TrekPak or custom-cut later for the same case.

Anti-Static Foam: When You Need It

Anti-static foam is a specialized variant of pluck or custom-cut foam designed for ESD-sensitive equipment. Standard polyurethane and polyethylene foams (covered well in Wikipedia's polyethylene foam entry) carry a low surface charge that is fine for most gear but can damage exposed semiconductors, circuit boards, hard drives, and lab instruments.

You need anti-static foam if you are storing or transporting:

• Bare circuit boards or PCBs
• Hard drives or solid-state drives (especially without their factory packaging)
• Semiconductor wafers, chips, or sensors
• Test equipment with exposed contacts
• Field-deployable lab instruments

Look for surface resistivity in the 10⁹ to 10¹¹ Ω/sq range, the standard "static-dissipative" classification. Anti-static foam is available in pre-cut pluck sheets for most Pelican Protector and Air case sizes, and in custom-cut form for any layout. The performance difference matters: a single ESD event can quietly damage a chip without leaving a visible mark, and the failure shows up later in the field.

Frequently Asked Questions

1. What type of foam comes with a Pelican case?

2. Can I switch from pluck foam to TrekPak in the same case?

3. Is custom-cut foam worth the extra cost over pluck foam?

4. How long does custom-cut foam take to design and ship?

5. What if my case doesn't fit any of these systems?

6. Can I get foam without buying a new case?

Picking the Right Interior

Pelican cases will outlast most things you put in them. The interior is what makes the case actually do its job, and the right choice is rarely about the most expensive option, it is about matching the system to how your gear lives. If you are still narrowing down the right foam configuration for your setup, the Foamerica team can help. Reach out with your case model and a quick description of what you are protecting, or browse the Pelican foam, TrekPak, and custom foam cases collections to see what fits. If you are also still picking the case itself, our breakdown of comparing Pelican Protector, Air, and Vault series is a good starting point.