Keen Seek First Impressions: A Trail Running Debut Worth Your Attention

Introduction

Keen has spent around 20 years building a reputation for comfortable, durable footwear out of Oregon, mostly known for hiking boots, shoes, and sandals. PFAS-free since 2018 and increasingly reliant on upcycled materials, the brand has now dived head first into trail running with its first ever shoe in the category: the Keen Seek. After a 7.5-mile first run across sand, gravel, rock, grass, and tarmac, the early signs are very promising.

Key Specs and Construction

The Seek retails in the UK for £160, which puts it in the same bracket as some premium trail shoes. A UK 9.5 pair weighs 332g, so it is not the lightest option tested this year, and it does feel slightly bottom heavy in hand. The midsole uses a 20% PEVA supercritical foam in Keen’s Quantum Foam X, with a 39mm heel stack, 33mm under the forefoot, and a 6mm heel offset.

Up top, a bootie-style construction pairs an engineered woven, highly breathable mesh outer with a soft, stretchy internal sock liner. Structural overlays start at the heel, run down the midfoot and around the lace eyelets, and wrap around the toe box, though the front of the shoe offers little in the way of protection. A gaiter attachment system is built in via a reinforced point at the base of the laces and a velcro tab on the heel cup.

Underfoot, the Seek gets a generous helping of Keen’s durable all-terrain rubber, claimed to hold up to around 900 miles of running. That is a bold claim for a trail shoe. A 4mm multidirectional lug pattern and a flex groove running nearly the full length of the midsole round out the package.

Who the Keen Seek Is For

The Seek suits trail runners who prioritize fit and comfort over outright speed. It is true to size, with about half a thumb’s width of room at the toe in a usual size, and the toe box is roomy, though not quite as wide as some more maximal trail shoes. The bootie construction delivers a dialed-in midfoot hold and a secure heel with zero slippage, which makes it a strong match for runners who value a snug, foot-hugging upper on longer outings.

Main Strengths

The standout quality of the Seek is that sock-like upper. The stretchy internal liner wraps the foot in plush comfort, and the padded tongue keeps things comfortable when the laces are pulled tight. High-viz threads woven through the laces are a nice touch for low-light running.

The Quantum Foam X midsole also impressed on a mixed-terrain test run. It soaked up soft sand, grass, compacted trails, gravel, loose pathways, rocky sections, and stretches of tarmac with plenty of cushioning for long distances, while still feeling planted and stable on uneven ground. There is a noticeable rocker geometry in the midsole that made the shoe feel efficient over miles, striking a good balance between comfort, performance, and ground connection.

Things to Consider Before Buying

The lace pocket at the top of the tongue is small. Stowing the laces inside caused the pocket to bulge and dig into the top of the foot around mile three until the laces were pulled back out. It is a minor issue, but a slightly larger pocket or removing the feature entirely would be an improvement.

Weight is another consideration. Trimming 20 to 30 grams from the midsole and outsole, bringing a UK 9.5 down to around 300g, would likely sharpen the overall balance and performance. Traction was solid on soft sand and loose gravel and felt grippy on rock, but the dry test conditions mean wet-terrain grip remains unverified. With only a 4mm lug depth, the Seek may also struggle in muddy conditions, where a 4.5 or 5mm lug would have added versatility. On the durability side, the firm rubber showed zero wear, even on the outer heel lugs, after a run that included road and pavement miles.

Buying Advice

At £160, the Seek is a considered purchase, and it earns that position on comfort and build quality rather than lightness. If your trails are dry, mixed, and less technical, the cushioned ride and durable outsole make it easy to recommend. If you regularly run wet, muddy routes, the shallow lugs may give you pause until more testing confirms how the firm rubber handles slick surfaces.

Conclusion

For a first attempt at a trail running shoe, Keen has done an excellent job with the Seek. The fit, feel, and ride quality on the debut run were genuinely enjoyable, and the brand’s two decades of footwear experience clearly show. With a few subtle tweaks, a roomier lace pocket and slightly deeper lugs chief among them, this could become an excellent all-round trail shoe. Early impressions suggest the 900-mile outsole claim may not be far off.