Forclaz Trek Pad Review

Overview

The Forclaz Trek Pad is a purpose-built foam sit pad from Decathlon’s backpacking sub-brand, designed to keep you insulated and dry during trail breaks, lunch stops, and bivouac use. It’s pitched as an ultralight and compact backpacking seat that protects you from the cold and moisture when seated. At $14.99 and 60g, it’s aimed squarely at hikers who want a dedicated ground barrier without the weight or bulk of hauling a full foam sleeping pad just to sit on rocks.

Key Specs

Spec	Value
Weight	60g (2.1 oz)
Open Dimensions	15.4” × 11.4” × 0.8”
Packed Size	11.4” × 3.7” × 1.8”
R-Value	1.3
Folds	4
Material	Foamed Polyethylene + Aluminized Film
Price	$14.99

Performance

Thermal Insulation

An R-value of 1.3 is modest in the context of sleeping pads, but for a sit pad it’s genuinely useful. Per Decathlon’s own R-value scale, values from 0 to 1.9 are suited to hot season (summer) only — which is an honest framing for a pad this thin. In practice, an R-1.3 sit pad is enough to block the cold creep you feel through your pants when you park yourself on a granite slab or damp meadow at a lunch break in three-season conditions. Don’t expect it to keep you comfortable indefinitely on frozen ground in November, but for the intended use case — a 20-minute rest stop — it does its job. Forclaz’s design team was able to test this mat during frequent excursions in the Mont Blanc mountain range, so at least the thermal claims were stress-tested somewhere colder than a parking lot.

For comparison, the Gossamer Gear Thinlight 1/8” — a popular ultralight multi-use foam pad often cut down and used as a sit pad — has an estimated R-value of only around 0.5 for the 1/8” version. The Trek Pad’s 0.8” thickness earns it a meaningfully higher R-value, which matters when you’re sitting still and your insulating layers aren’t doing you any favors.

Packability

This is where the Trek Pad earns its keep. It folds four times to a packed size of 11.4” × 3.7” × 1.8” — that’s roughly the size of a thick paperback novel. It’ll slot into a hip belt pocket on most larger packs, or tuck flat against the back panel of a frameless pack without taking up meaningful volume. It’s so light and compact that it will fit in just about any pack. The four-fold design also means you can refold it on the fly with cold hands, which is something you can’t say for rolled foam pads with elastic straps.

Durability & Materials

The shell is 100% low-density polyethylene, and the aluminized film on one side reduces abrasion.

The metallic layer does double duty: it reflects some radiant heat back toward you (adding marginally to the effective thermal performance) and protects the foam surface from abrasion against rough ground and the inside of your pack. That said, this is still a piece of foam — the aluminized film can delaminate with sustained heavy use, and the corners will start to compress over time. At $14.99, that’s an acceptable trade-off; replace it every season or two if you’re a heavy user.

Size

This is the most common surprise in user reviews, and worth flagging directly: the open dimensions are 15.4” × 11.4”. Some buyers found it very small, so it’s worth checking dimensions before purchasing. It covers your sit bones and upper thighs, but that’s about it. If you’re expecting something you can stretch out on or use as a torso pad under a sleeping pad, look elsewhere — this is a seat pad, full stop. It’s enough to provide some protection for your seat so you don’t get stains or have to sit on rocks, which is exactly what it’s designed to do.

Pros & Cons

Pros

• Exceptional value at $14.99 — hard to justify paying more for a foam sit pad
• At 60g (2.1 oz), one of the lightest sit pad options on the market
• R-value of 1.3 is genuinely adequate for three-season sit breaks
• Four-fold design packs down to an unusually small footprint
• Aluminized film adds abrasion resistance and marginal reflective insulation

• Highly rated: 4.7 out of 5 across over 3,300 reviews on Decathlon

Cons

• Small open dimensions (15.4” × 11.4”) — covers your seat, not much else
• R-1.3 won’t cut it for extended cold-ground sitting in sub-freezing temps
• Aluminized film can delaminate with hard use over time
• No attachment system — no clip, hook, or loop to hang it outside the pack
• Not a multi-use item the way larger foam pads are; purely a seat

Who Should Buy This

The Trek Pad makes sense for three-season backpackers, thru-hikers, and day hikers who take regular sit breaks and are tired of cold, wet pants. It’s a strong choice if you want a dedicated sit pad without adding meaningful weight or volume to your kit, and if you don’t already carry a foam sleep pad that can double as a seat. It’s also a smart second layer for anyone camping in shoulder-season temps on a marginally warm inflatable — park it under your sleeping pad at the upper-body zone and you’ll feel the difference without the bulk of a full foam mat.

Verdict

For $14.99 and 60g, the Forclaz Trek Pad is one of the better-value pieces of gear Decathlon makes — and that’s saying something. The size will disappoint anyone expecting a luxury perch, but as a lightweight sit pad for trail breaks, it does exactly what it promises with honest thermal performance and excellent packability. If you’ve been folding up your rain jacket to sit on or suffering through cold rock lunches, this is a straightforward fix.

Rating: 7.5/10