



Description
Ships in 1-2 business days | Based in Norway | Est. 1887
Lightweight moisture management for high-intensity cold weather activities
This base layer long sleeve mesh shirt provides insulation and breathability. An open-weave "fishnet" construction means perspiration vapor can be rapidly transported to the outer layers and dry faster than a solid knit construction. The Polycolon® mesh provides 4 to 6 times the insulation value of solid knits while keeping moisture off the skin. The solid knit inlay provides a comfort layer under pack straps and to the chest area.
Polypropylene has a very high strength-to-weight ratio providing super light garments designed to withstand years of extreme use. Brynje Super Thermo garments are exceptional for warm weather use as well because of the thermostatic qualities of the mesh.
Fit:
Mesh base layers are generally quite stretchy in all directions and are cut long. As the girth increases the length will decrease. Generally, the Women’s sizes will be one size smaller than Unisex. For example, a Unisex S is equivalent to a Women’s M.
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Sizing:
Size | Height | Waist | Chest |
X-Small |
4'9" - 5' | 1.45m - 1.5m |
25" - 27" | 63.5 - 68.6cm |
28" - 32" | 71.1 - 81.3cm |
Small |
5'1" - 5'3" | 1.5m - 1.6m |
27" - 29" | 68.6 - 73.7cm |
33" - 36" | 83.8 - 91.4cm |
Medium |
5'4" - 5'6" | 1.6m - 1.68m |
29" - 31" | 73.7 - 78.7cm |
37" - 39" | 94 - 99cm |
Large |
5'7" - 5'9" | 1.7m - 1.75m |
32" - 34" | 81.3 - 86.4cm |
40" - 42" | 101.6 - 106.7cm |
X-Large |
5'10" - 6' | 1.78m - 1.8m |
35" - 37" | 88.9 - 94cm |
42" - 44" | 106.7 - 111.8cm |
XX-Large |
6'1" - 6'3" | 1.85m - 1.9m |
38" - 40" | 96.5 - 101.6cm |
45" - 48" | 114.3 - 121.9cm |
Weight: 5.0 oz | 141.7g (medium)
*Weight may vary due to fabric variation
Materials:
- 100% Schoeller® Polycolon® synthetic yarn, knitted into a 3/8″ open weave mesh
- bluesign® certified fabric
- Material weight: net 140g/m2
- PFAS-Free
Made in Poland
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Care: Hand wash or machine wash on gentle cycle with cool water. Air dry, do not tumble dry. Do not use bleach, fabric softeners, or dry clean.
- Reviews
- Questions

Mind blown
This was incredible on my winter hike. It significantly cut down on sweating during the hike so when I got to camp I wasn’t cold! I’m really impressed and everyone in the family will be getting one of these for Christmas!! So impressed.

Nice Shirt
Does what it's supposed to do although I've only worn it on one hike so far. Kept me warm and wicked most of my sweat away. The material does have some stretch so keep that in mind when choosing a size. The torso is long, I would have preferred a more cropped shirt, but it does allow you to tuck it in if needed.

Works great
Wore this about 10 days so far for both resort and Nordic skiing. Still dialing in my layer over this. So far keeps me dryer, therefore warmer. My back still gets sweaty when I am working hard, but dries fast, and the next layer only gets a bit wet. Plus that layer isn’t right against my skin. Fits true to size. Highly recommend!

Brynje women's super thermo baselayer
I love the baselayer but so far have only worn it twice, hiking in cold rain conditions with light rainjacket, sometimes under a midlayer. With 100% humidity it can't really perform ideally but it was comfortable. I look forward to wearing it in cold dry weather. I did wash it in cold water gentle cycle and hung it to dry, which worked well. M true to size.

Surprisingly Warm for Weight
Full disclosure: I bought this layer for backpacking, but haven't yet worn it under a pack. Have worn it for walks around the neighborhood underneath a MHW Kor Airshell pullover. Temps in the mid to low 40's, started bold and cold with just these two layers and began to feel the warmth come in fully after about 1.5 miles. The tiny holes all over the garment trap your heat but allow moisture to escape, and paired with the airshell I was comfortable and dry. Medium fits true to size, just snug enough! I'm 5'5" and 160 lbs. I cannot wait to try this layer out on the winter trails here in PA!