Loonr Releases New Sidekick Winter Boot

The Boulder footwear brand adds the lightweight slip-on model to its lineup for moderate winter conditions.

Updated on Oct. 21, 2026 in Hiking

Bold vector editorial illustration of a single slip-on winter boot sitting on a frost-covered rock against a clean mountain landscape.
Boulder-based footwear brand Loonr has launched the Sidekick, a new slip-on winter boot tailored for moderate temperatures and light outdoor use. AI Illustration. Upload story photo >

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Loonr has officially launched the Sidekick, a new slip-on winter boot designed for temperatures ranging from 15 to 55 degrees Fahrenheit. The release accompanies updates to the company's existing Hi Flyer and Lo Rider boot models.

Why it matters

This expansion provides outdoor enthusiasts in Boulder with a lighter footwear option specifically tailored for milder winter days. The addition complements the brand's heavier-duty offerings for more extreme cold.

The Sidekick retails for $119.95, weighs 10 ounces, and features a shaft height of 8.5 to 9.5 inches. The footwear includes a waterproof closed-cell EVA lower, a water-resistant upper, and a built-in faux shearling liner.

The players

Loonr

Loonr is a Boulder-based footwear company that specializes in designing boots for varied outdoor conditions.

The details

The Sidekick is constructed with a water-resistant upper and a waterproof closed-cell EVA lower designed to provide protection in moderate climates. Users can secure a comfortable fit using the adjustable flap located at the cuff.

Timeline

  1. Loonr added three new color options for winter boots in 2026.

Culture Shift

This product expansion reflects a broader trend of segmenting outdoor gear to accommodate specific temperature ranges rather than relying on one-size-fits-all winter footwear. By diversifying their range against established products like the Hi Flyer, the brand is targeting the growing demographic of recreational users who require gear for shoulder-season hiking.

Customers can utilize the 30-day window for free returns and exchanges if the Sidekick does not meet their specific fit requirements. The lightweight design offers local hikers a more packable option for shorter treks where bulky, heavy-duty snow boots are unnecessary.

The takeaway

Shoppers should evaluate their local climate and average trail conditions before choosing between the Sidekick and more heavy-duty boots. Opting for gear rated specifically for the 15 to 55 degree range can significantly improve comfort during shoulder-season excursions.

Further reading

For more information on navigating local trails in winter, visit Hiking.

More information

View product specifications and purchase options at the Loonr footwear store.

Source note: This article includes information reported by ColoradoBiz.

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Is now a good time for you to invest in new winter footwear for daily use?