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This minimalist-style crew is anything but insignificant. Our Men's Intraknit™ Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities.
With Merino Sport yarns and gender-specific ventilation perfectly placed to maximize thermoregulation and breathability in high-intensity activities, it helps amplify moisture management, movement, and comfort. When you're in our best base layers, you're ready for anything.
| Size | Chest | Waist | Hip | Arm Length | Inseam |
|---|---|---|---|---|---|
| S | 36"-38" 91.5-96.5cm |
29"-31" 73.5-78.5cm |
36"-38" 89-96.5cm |
31"-32" 68.5-81.5cm |
30"-31" 73.5-78.5cm |
| M | 39"-41" 99-104cm |
32"-34" 81.5-86.5cm |
39"-41" 99-104cm |
32"-33" 81.5-84cm |
31"-32" 78.5-81.5cm |
| L | 42"-44" 106.5-112cm |
35"-37" 89-94cm |
42"-44" 106.5-112cm |
33"-34" 84-86.5cm |
32"-33" 81.5-84cm |
| XL | 45"-48" 114.5-122cm |
38"-40" 96.5-101.5cm |
45"-48" 114.5-122cm |
34"-35" 86.5-89cm |
33"-34" 84-86.5cm |
| XXL | 49"-51" 124.5-129.5cm |
41"-44" 104-112cm |
49"-51" 124.5-129.5cm |
35"-36" 89-91.5cm |
34"-35" 86.5-89cm |
| How to Measure | Measure under the arms, around fullest part of chest and back circumference. | Measure around natural waistline, keeping tape a bit loose. | Measure around the fullest part of hip circumference, parallel to the floor. | With elbow bent slightly, measure frocm center back of neck, across top of shoulder, to elbow and down to wrist bone. | Measure along inside leg from crotch to ankle bone. Or measure a good fitting base layer pant from crotch seam to bottom along seam. |
| Size | Chest | Waist | High Hip | Hip | Arm Length | Inseam |
|---|---|---|---|---|---|---|
| XS 2 |
32"-33" 81.5-84cm |
24"-25" 61-63.5cm |
31"-32" 78.5-81.5cm |
35"-36" 81-91.5cm |
27"-28" 68.5-71cm |
29"-30" 73.5-76cm |
| S 4-6 |
34"-35" 86.5-89cm |
26"-27" 66-68.5cm |
33"-34" 84-86.5cm |
37"-38" 94-96.5cm |
28"-29" 71-73.5cm |
30"-31" 76-78.5cm |
| M 8-10 |
36"-38" 91.5-96.5cm |
28"-30" 71-76cm |
35"-36" 89-91.5cm |
39"-40" 99-101.5cm |
29"-30" 73.5-76cm |
31"-32" 78.5-81.5cm |
| L 12-14 |
39"-40" 99-101.5cm |
31"-32" 78.5-81.5cm |
37"-38" 94-96.5cm |
41"-42" 104-106.5cm |
30"-31" 76-78.5cm |
32"-33" 81.5-84cm |
| XL 16 |
41"-42" 104-106.5cm |
33"-34" 84-86.5cm |
39"-40" 99-101.5cm |
43"-44" 109-112cm |
31"-32" 78.5-81.5cm |
33"-34" 84-86.5cm |
| How to Measure | Measure under the arms, around fullest part of chest and back circumference. | Measure around natural waistline, keeping tape a bit loose. | Measure around high hip circumference approximately 3" below natural waistline. | Measure around the fullest part of hip circumference, parallel to the floor. | With elbow bent slightly, measure from center back of neck, across top of shoulder, to elbow and down to wrist bone. | Measure along inside leg from crotch to ankle bone. Or measure a good fitting base layer pant from crotch seam to bottom along seam. |
| Size | Comparable Bra Size | Recommended Impact | |
|---|---|---|---|
| XS | 30A, 30B, 30C, 32A, 32B | A, B - Medium Impact | C - Low Impact |
| S | 32A, 32B, 32C, 34A, 34B | A, B - Medium Impact | C - Low Impact |
| M | 34A, 34B, 34C, 36A, 36B | A, B - Medium Impact | C - Low Impact |
| L | 36A, 36B, 36C, 38A, 38B | A, B - Medium Impact | C - Low Impact |
| XL | 38A, 38B, 38C | A, B - Medium Impact | C - Low Impact |
| Size | Age | Chest | Waist | Height | Weight |
|---|---|---|---|---|---|
| XS | 4-5 | 24"-25" 61-63.5cm |
22"-22.5" 56-57cm |
42"-48" 106.5-122cm |
42-49 lbs |
| S | 6-8 | 22.5"-26.5" 57-67.5cm |
23"-24" 58.5-61cm |
48"-54" 122-137cm |
49-59 lbs |
| M | 9-10 | 27"-28" 68.5-71cm |
24.5"-25" 62-63.5cm |
54"-57" 137-145cm |
59-75 lbs |
| L | 11-12 | 28.5"-30" 72.5-76cm |
25.5"-26" 65-66cm |
57"-60" 145-152.5cm |
75-89 lbs |
| XL | 13-14 | 30.5"-32" 77.5-81cm |
26.8"-28" 67.5-71cm |
60"-62" 152.5-157.5cm |
89-100 lbs |
Verified Buyer
Reviewed at
I bought these to replace my pair of smartwool merino 250 bottoms because they had worn a hole in them these pants are a lot more durable and have nice ventilation in that parts that need it the most
Verified Buyer
Submitted as part of a sweepstakes entry
Reviewed at
A great product that keeps comfortably warm without all the bulkiness or sweaty. I use it to ski and can ski all day without having to peel off other layers of clothing.
Verified Buyer
Submitted as part of a sweepstakes entry
Reviewed at
Long lasting great products
Verified Buyer
Submitted as part of a sweepstakes entry
Reviewed at
Great product!!! I'm a firefighter and we go to extreme cold quickly with most calls we run on. The Thermal Merino base bottoms keep my legs warm which I turn helps my back still function. :-) These are my third pair love them and wear them most days of the winter! Thank again to smart wool! I love a company that stands behind their products!
Verified Buyer
Submitted as part of a sweepstakes entry
Reviewed at
I use this product for long walks on very cold days along with being outside during cold weather sporting events. Like the fact that that it is snug fitting to keep cold air from coming under the garment. No real complaints except some type of fly would be nice along with some other colors, especially navy.
Verified Buyer
Submitted as part of a sweepstakes entry
Reviewed at
Little tight
Verified Buyer
Submitted as part of a sweepstakes entry
Reviewed at
I use the product while skiing - love it
Verified Buyer
Submitted as part of a sweepstakes entry
Reviewed at
I use the product while skiing - love it
Verified Buyer
Submitted as part of a sweepstakes entry
Reviewed at
Excellent running T during cold temps.
Verified Buyer
Submitted as part of a sweepstakes entry
Reviewed at
Has kept me warm during full days of skiing. It's usually the only thing I wear under my parka.
