PAKA Thermal Crew and Bottoms

Review by Erin Trail

The PAKA Thermal Crew and Bottom base layers are a combination Royal Alpaca / Merino Wool fabric that’s both soft and warm.

PAKA Thermal Crew and Bottoms
PAKA Thermal Crew and Bottoms

Details

  • 40% Royal Alpaca, 40% Merino Wool, 20% Tencel
  • 2×2 rib knit
  • Raglan sleeves
  • Flat coverstitch seams
  • Crew – wrist cuff thumb holes
  • Bottoms – gusseted crotch and an elastic waistband

PAKA Thermal Crew Review

I am a women’s size medium on the PAKA size guide.  The cut of the PAKA Thermal Crew is a slim fit.  The fabric, thanks to the 2×2 rib kit, is VERY stretchy in the horizontal direction (basically as you pull the ribs apart) and because of that, the garment felt slightly oversized compared to how other base layers fit.  If you want a tighter, more compressive fit, size down.

Testing Conditions:

  • Several winter gravel bike rides (worn as a base layer beneath an active insulation windproof jacket)
  • Alpine skiing (worn as a base layer beneath a mid layer and a shell jacket)

The PAKA Thermal Crew is VERY warm, thanks to the combination of Royal Alpaca and Merino Wool.  Given the combination of Colorado’s unusually warm winter and the warmth of the crew, I often found myself a little too toasty during my winter bike rides, compared to how I normally feel wearing other base layers.  I think for cycling, the PAKA Thermal Crew with a light windbreaker would be ideal for temperatures in the 40s and 50s.

PAKA Thermal Crew
PAKA Thermal Crew

During my alpine ski testing of the PAKA Thermal Crew, I was really happy for the warmth.  This is my first season wearing shell jackets and I have been having a hard time staying warm. I found the PAKA Thermal Crew to be a medium weight base layer that was as warm many of the thicker mid layers that are in my gear drawer.

PAKA Thermal Crew
PAKA Thermal Crew

The fabric and seams are all soft to the touch – no irritation or itchiness as I moved.  I also never felt clammy or sweaty. The fabric is also fairly opaque, so you can wear the PAKA Thermal Crew as a solo layer apres ski.

PAKA Thermal Bottoms Review

I am a women’s size medium on the PAKA size guide.  As one would expect with thermal bottoms, the fit is slim.  For me, I found that the knit material ended up feeling a little baggy, due to the stretch of the 2×2 rib kit.  The waistband however, is a little tight by comparison, so sizing down would feel uncomfortable at the waist.  I do wish that the PAKA Thermal Bottoms had a different waistband design, similar to a yoga style, as I find those to be more comfortable.

PAKA Thermal Bottoms
PAKA Thermal Bottoms

Testing Conditions:

  • Alpine skiing (worn as a base layer beneath a mid layer and shell pants)

The PAKA Thermal Bottoms have a cuff at the ankles.  I didn’t have any issues with it bunching or feeling bulky inside my ski boots.  Similarly to the PAKA Thermal Crew, the bottoms are soft without any itchiness, thanks to the fabric materials and the seams.

The PAKA Thermal Bottoms are really warm and I was happy to wear them on days that were in the teens or low 20s, with an insulated pant as a mid layer.  For spring ski conditions, I feel confident that I could wear the PAKA Thermal Bottoms with shell bottoms and be plenty warm.

Closing Thoughts

The PAKA Thermal Crew and Bottoms are a super warm, 100% natural fiber option for winter warmth.  The fabric is soft and stretchy, but also very durable.  During my testing, none of the garments have shown any pilling or signs of wear.  They also handle the washing machine (delicate, in a garment bag) without issues.

The PAKA Thermal Crew and Bottoms are available for both men and women.  Men’s sizing ranges from S to XXL, women’s sizing ranges from XS to XXL.

Erin Trail

Trail Boss of Stoke

Erin Trail’s hobby is collecting hobbies. She’s a 5th Generation Coloradan and grew up exploring the outdoors on family camping trips and hikes.  Her first backpacking trip was at eight years old to Grizzly Reservoir – she proudly carried all of her own gear those 3 miles from the main parking lot to the Reservoir.
Erin Trail of Engearment.com
Erin Trail of Engearment.com
Erin is an adult-onset athlete who started as a Masters Swimmer and then developed into a triathlete.  She has completed 5 Ironman races and nearly 20 x 70.3 distance Ironman races, including the World Championship in Lahti, Finland, in 2023.  In 2025, she raced for Team USA in Pontevedra, Spain for the World Triathlon Cross Tri World Championship. She placed 9th in her age group and was the 1st American woman in her age group.
Somewhere along her triathlon journey, she picked up deep love of cycling. Cycling encouraged her to see landscapes in a new way, learn new skills and to develop self reliance; now she often goes and does Type 2 rides just to see if she can do it.  She’s got all the bikes: gravel, mountain, fat bike, time trial and road.
She is even known to combine her love of camping and cycling and go off on solo 24 hour overnight bikepacking trips in the mountains of Colorado. In addition to bikes, she teaches yoga, lifts weights, skis, SUPs and has recently purchased a campervan.

Erin is a former Montana park ranger with a degree in environmental engineering.  She loves getting into technical details while putting her gear (and herself) through the paces. She shares her home in Colorado with her husband, Will, and her 3 cats (Zipper, Brewtus, and Simcoe).
Fall and winter 2025 will bring Erin to the “Adventure Side”, with many camping, vanlife, bikepacking, and mountain bike rides. Once the snow flies, she can be find resort skiing, fat biking, and triathlon training (inside and outside).
2026 will bring a National Championship Cross Tri race, a National Championship Road Sprint and Olympic Distance race, and hopefully a chance to represent Team USA once again in 2027 in Edmonton, Canada. She’ll also save lots of room for adventure time with her friends and husband.
When not adventuring, she can be found on a sunny patio somewhere, drinking beers with her husband.

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