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We've updated the fit of our Men's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature-regulated as you enjoy high-intensity skiing, hiking, running, and more.
Our slim fit is intended to follow the contours of the body
Moisture management, temperature regulation, and odor resistance
Side seams wrap to front
Offset shoulder and side seams
Designed to help increase comfort and minimize chafing
100% Merino wool with interlock knit for comfort
Slim fit
Size medium center-front zipper: 10" (25 cm)
Flatlock seam construction
Made in Vietnam
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 |
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OPERATING SINCE 1989