Path Projects Kilim PX Review: Running Pants Built for Real Miles

Introduction

Path Projects has built a strong reputation on running shorts with genuinely useful pockets, and the Kilim PX carries that same thinking into a full-length pant. It is a tapered, weather-resistant running pant made from Toray Prime Flex, a spiral yarn polyester with natural stretch, designed for runners who want to keep wearing their favorite pocket layout through the fall and winter.

Tested in windy, wet conditions over a 7.16 mile run, the Kilim PX proved capable of holding up to the elements. This review covers what it does well and where the compromises sit.

Who This Product Is For

The Kilim PX suits runners who train through cooler seasons and want a pant that behaves like technical gear rather than loungewear. If your runs involve carrying gels, keys, and a phone, the pocket layout alone is a strong reason to look at it.

It also works well for runners who already like the fit of joggers or track pants with a relaxed upper and a tapered calf, since that is exactly the profile Path Projects went for here.

Main Strengths

Pockets That Actually Work on the Run

The standout feature is the five-pocket layout, which combines the best of two of Path Projects’ shorts. Along the back there is a center pocket big enough for a large phone with a case, flanked by two pockets sized for even the tallest energy gels. Two standard front pockets handle everyday items.

A separate interior key pocket on the front right holds a regular-sized car key, which keeps keys from mixing with the items you actually want to reach mid-run. That small design decision prevents the all-too-common problem of pulling a key out when reaching for a gel.

Fabric That Handles Weather

The Toray Prime Flex fabric repels liquids, quick-dries, and stretches naturally without any spandex or lycra. In windy and wet conditions it behaved like a water-resistant shell, which is exactly what you want when the weather turns.

A Fit That Works

The relaxed fit through the hips and waist, tapering at the calf, follows the profile of classic track pants. It leaves room for movement up top and stays close below the knee, which keeps the pant from flapping around during faster running.

Things to Consider Before Buying

The Kilim PX is not lined, so it does not have the soft, cozy feel of a lounging jogger. It feels more like a track pant built for running, which is a plus in wet or windy conditions but may disappoint anyone hoping for something plush. On genuinely cold days, plan to pair it with a base layer.

Buying Advice

If you run in variable or cold weather and want one pant that covers fall into winter, the Kilim PX is an easy recommendation. Pairing it with Path Projects’ Tahoe base layers, like the five-inch Tahoe or the full-length version, extends its comfort range further. The Tahoe base layers are notably soft, and they reportedly get softer with washing, which makes the combination a strong cold-weather setup.

For milder climates or runners who mostly want warm-weather gear, the brand’s shorts with the same pocket philosophy may be the better entry point.

Conclusion

The Path Projects Kilim PX takes everything that makes the brand’s shorts popular, thoughtful pockets, weather-resistant stretch fabric, and a considered fit, and extends it into a pant for cooler seasons. It is not the softest pant you can buy, but as a serious running tool for fall and winter miles, it earns its place in the rotation.