by Diane Spicer
This Minus 33 review of Merino wool medium weight base layers (top and bottom) for female hikers gives you all the details you need to decide if these pieces are right for you on a cool weather hike.
Before we get started, it's important for you to read these disclosures.
Disclosure of Material Connection: Hiking For Her received a Ossipee Crew women's midweight shirt and a Franconia women's midweight bottom for free from Minus 33 in consideration for a gear review.
Hiking For Her provided the photos, comments, opinions and tips without compensation, and is not a Minus 33 affiliate.
In other words, there's no reason to slant this review any particular way, other than to give you useful facts as you search for the best base layers for hiking.
So why did Hiking For Her take the time to write this Minus 33 review?
And because it's fun to try new outdoor clothing!
Weight is one of those trigger words for female hikers.
It could refer to body weight.
Most women have a least a little angst about their weight: too much, not enough in the right places, you probably have your own examples.
For any hiker hitting the trail, it also refers to pack weight, and of course, that's a huge consideration for happy hiking.
But in this Minus 33 review, weight refers to the weight of the fabric.
For outdoor wear, there are three important choices:
The merits of Merino wool are undisputed in the hiking world.
After all, sheep stay warm and dry year round wearing it!
To get a bit more technical, Merino wool fibers are great at wicking moisture away from your body.
Even more so when there are two layers of it, as in these Minus 33 base layers:
Merino wool has excellent insulating properties, something to depend upon in windy cooler conditions.
Top that off with:
You're looking at great fabric for hikers in this Minus 33 review!
Wow, base layers packaged in pretty green (recyclable) boxes instead of flimsy plastic bags.
Removing the Ossipee crew women's midweight shirt and Franconia midweight bottom from the box, it was immediately apparent that these are quality garments.
In fact, three things jumped out at this reviewer:
Here's another thing women hikers struggle with: finding athletic clothing that performs well AND fits.
Any women who isn't "normal" size (don't get me started on the ludicrousness of that concept) can take heart:
Because Merino wool is naturally breathable and slightly elastic, you can push those sizes just a bit if you're an in between size.
Although Minus 33 says you can put these base layers in the dryer, I'd be cautious about that.
Line drying won't take a ton of time, but will extend the life of these layers while protecting the correct size you worked so hard to select.
Pulling on the shirt yielded two nice surprises:
1. The wrist cuffs are ever so slightly tapered, and held the shirt sleeves in place as another layer (light down jacket with a neck zip) was pulled over it.
2. The length is wonderful: covers the hip and upper backside area, thus providing a cushioning layer that stayed in place against friction from a backpack and hip belt.
And the bottoms?
Also a few nice surprises:
1. The gusseted crotch (a wedge of fabric sewn in to provide more "give" without adding bulk) gave me confidence in making big moves like scrambling over fallen Doug fir trunks.
2. The fitted ankle cuffs provide the option of putting a layer of socks beneath the base layer, or pulling the socks right over the top of the cuffs.
Try to imagine how soft this Merino wool shirt is from this picture.
Hint: Not as soft as a kitten, but much softer than cotton.
Now take a close look at the stitching. It's going to stand up to many, many wear-wash-dry cycles.
The cut of the shirt is "princess", meaning a rounded, somewhat high neckline and enough fabric on the shoulder area to cushion you from your backpack.
This shirt is cut to fit closely, otherwise it would defeat the twofold purpose of insulation and wicking. But it's not stiflingly tight.
All of this goodness weights only 8 ounces (227 g), and packs down small in a duffle bag or your backpack.
Off trail uses easily come to mind, especially if you keep your dwelling in the cool range of temperatures all winter.
And if you put a cami underneath it, and a colorful scarf over it, it can certain accompany you to the grocery store ;)
An aside on the name of the shirt:
For whatever reason, it seems easier to find a base layer shirt that fits compared with bottom layers.
But this bottom layer was surprisingly "giving", as in stretching over the bumps and bulges which (in theory) can be present on a hiking woman's body.
These bottoms weigh in at a paltry 8 ounces (227 g).
The cuffs are well stitched, and taper a bit to provide an extra little hug to your socks - as well as extra protection against pant leg breezes.
Tip: Although classified as a mid weight base layer, you can get even more mileage (literally) out of these bottoms by pulling on a pair of lightweight tights first.
I thought it might be the name of one of their sheep, but Franconia is a mountain range in New Hampshire.
Hiking For Her is not adventurous when it comes to clothing colors for the trail.
And hiking throughout the gray depths of fall, winter and spring in the Pacific Northwest, gray becomes a natural part of a hiker's soul.
So it's worth noting in this Minus 33 review that all of you trail fashionistas have a wide range of color choices for these base layers.
Can you find synthetic base layers at a cheaper price?
Can you expect softness, wicking and moisture control, odor resistance, long life and a renewable footprint from those synthetic layers?
Within minutes of pulling on these basic pieces of protection, you'll feel warm and cozy.
And any time you hit the trail and work up a sweat in cooler or downright cold weather, you need clothing that wicks away your moisture yet keeps you warm.
In other words, Minus 33 base layers offer you durable high performance, well made outdoor clothing at a price point which is not out of line with the quality and features they deliver.
You will never regret wearing the right weight of Merino wool garments on a hike, which is something that can't be said for cotton or cheap synthetic clothing.
Not to brag, but I know a few things about staying warm in cold weather.
That kind of cold leaches away your body heat within seconds of stepping outside.
Also, I've worn a lot of base layer fabrics over decades of trail time.
So trust me when I tell you that Merino wool is a flat out miracle compared to the scratchy, heavy woolen garments borrowed from my father's closet 40 years ago.
And while you may never be outdoors during actual minus 33F weather (choose expedition weight base layers if I'm wrong), this clothing can take you through three seasons of hiking and camping.
If you're hesitant to spend money on building a layering system that lasts and lasts as it works well for you in multiple seasons on the trail, start small.
Add these base layers to your "gift wish list", too.
It was tough to find any negatives about these base layers.
But if you're wondering about anything which got overlooked in this review, please contact me and I'd be happy to share more details.
Minus 33 Review
About the author
Diane is the founder of Hiking For Her.
She's been on a hiking trail somewhere in the world for 5+ decades & loves to share her best hiking tips right here.
All rights reserved.
Photo credits: All photos on this website were taken by David Midkiff or Diane Spicer except where noted.
As an Amazon Associate, Hiking For Her earns from qualifying purchases.
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