How to Choose the Correct FINNTRAIL Men’s Jackets, Suits and Thermals Size
Choosing the correct FINNTRAIL jacket, suit or thermal clothing size ensures comfort, freedom of movement, effective layering and proper protection from weather conditions. A size that is too small may restrict movement and feel tight around the chest or shoulders, while a size that is too large may reduce heat retention and overall fit.
The size chart shows body measurements, not garment measurements. FINNTRAIL gear is designed with extra room for comfort and movement, so sizing should be selected according to your body measurements.
Measure Your Chest Girth
Measure around the fullest part of your chest, keeping the measuring tape horizontal. Stand straight and keep the tape close to the body, but not tight.
This measurement is especially important when choosing jackets and the upper part of a suit.
Measure Your Waist and Hips
Measure your waist at the narrowest part or where you usually wear your pants. Measure your hips around the widest part.
If you are choosing a suit or pants, hip and waist measurements are just as important as height.
Measure Inseam and Sleeve Length
Inseam is measured from the crotch to the inside of the ankle. Sleeve length helps determine whether the jacket sleeves will properly cover your arms during active movement.
How to Use the Size Chart
| Measurement | Description |
|---|---|
| Height | Body height in centimeters. |
| Chest girth | Chest circumference measured around the fullest part of the chest. |
| Waist girth | Waist circumference. |
| Hips | Hip circumference measured around the widest part of the hips. |
| Inseam | Inside leg length from crotch to ankle. |
| Sleeve | Sleeve length. |
First, choose the size according to the main girth measurements — chest, waist and hips. Then check whether the selected size matches your height, inseam and sleeve length.
Reference Size Chart
| Size | Height | Chest | Waist | Hips | Inseam | Sleeve |
|---|---|---|---|---|---|---|
| XXS | 158–162 | 80–86 | 70–76 | 82–88 | 53–57 | 53–57 |
| XS | 163–167 | 84–90 | 74–80 | 86–92 | 53–57 | 55–59 |
| S | 168–172 | 88–98 | 78–88 | 90–100 | 57–61 | 57–61 |
| SK | 168–172 | 100–110 | 90–100 | 102–112 | 57–61 | 57–61 |
| M | 173–177 | 96–102 | 86–92 | 98–114 | 57–61 | 59–63 |
| MK | 173–177 | 108–117 | 98–106 | 110–118 | 59–63 | 59–63 |
| ML | 180–190 | 96–102 | 86–92 | 98–114 | 63–65 | 63–65 |
| L | 178–182 | 100–110 | 90–100 | 102–112 | 61–64 | 61–64 |
| LK | 178–182 | 119–125 | 106–114 | 118–128 | 61–64 | 61–64 |
| XL | 183–187 | 108–117 | 98–106 | 110–118 | 61–64 | 63–65 |
| XLK | 185–190 | 124–133 | 114–122 | 126–134 | 63–65 | 63–65 |
| XXL | 185–195 | 116–125 | 106–114 | 128–128 | 63–65 | 64–67 |
| XXXL | 190–200 | 124–133 | 114–122 | 126–134 | 65–69 | 65–69 |
What Do K and L Size Markings Mean?
Standard sizes for men with average body proportions.
Longer size for taller users whose girths match size M but who need extra length.
Wider sizes for larger chest, waist or hip measurements.
Larger sizes for taller users or broader body types.
If You Are Between Two Sizes
If your measurements fall between two sizes, choose according to how the gear will be used. Jackets and suits should leave enough room for base layers, while thermals should fit closer to the body without restricting movement.
- If you are choosing a jacket or suit, the larger size is usually the safer choice.
- If you are choosing thermal clothing, the fit should be close but not tight.
- If height matches one size but girths match another, prioritize girth measurements.
- If you will wear additional layers, leave more room.
Recommendation Before Ordering
Before ordering a FINNTRAIL jacket, suit or thermal clothing, accurately measure your main body parameters. Take measurements while wearing a thin base layer or clothing similar to what you plan to wear under the gear.
Summary
To choose the correct FINNTRAIL men’s jackets, suits or thermals size, the most important measurements are height, chest girth, waist girth, hips, inseam and sleeve length. A correctly selected size ensures comfort, layering ability, freedom of movement and effective protection for active use.
