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Firstgear Size Chart


Firstgear Men's Jackets

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Size Chest (in) Waist (in) Arm (in) Arm - Tall (in) 
XS 30 - 32 24 - 26 28 - 30
SM 34 - 36 28 - 30 32.5 - 33
MD 38 - 40 32 - 34 33.5 - 34
LG 42 - 44 36 - 38 34.5 - 35 36 - 37.5
XL 46 - 48 40 - 42 35.5 - 36 37 - 37.5
2XL 50 - 52 44 - 46 36.5 - 37 38 - 38.5
3XL 54 - 56 48 - 50 37 - 37.5 38.5 - 39
4XL 58 - 60 52 - 54 37.5 - 38 39 - 39.5

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • W Waist
    Measure around your natural waistline, around the top of the hip bones, inline with the navel while keeping the measuring tape parallel to the ground.
  • C Chest
    Measure around the fullest part of your chest, under the armpits, keeping the measuring tape parallel to the ground.
  • A Arm (Neck to Wrist)
    Standing up straight with your arms at your sides, measure from the base of your neck at the center of your spine, along the top of your shoulder and down to your wrist bone, along the outside of the arm.

Firstgear Men's Pant Sizing

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Size Waist (in) Inseam (in) Inseam - Tall (in) Inseam - Short (in)
30 30 31.5 - -
32 32 31.5 - -
34 34 32 34 30
36 36 32 34.5 30
38 38 32 34.5 30
40 40 32 35.5 30
42 42 32 35.5 30
44 44 33 - -
46 46 33 - -
48 48 33 - -

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • I Inseam
    Measure from the highest point of your crotch down to your ankle, along your inner leg.
  • W Waist
    Measure around your natural waistline, around the top of the hip bones, inline with the navel while keeping the measuring tape parallel to the ground.

Firstgear Men's Heated Pant Liner Sizing

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Size Waist (in)
SM 30-34
MD 34-36
LG 36-38
XL 40-42
2XL 42-46

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • W Waist
    Measure around your natural waistline, around the top of the hip bones, inline with the navel while keeping the measuring tape parallel to the ground.

Firstgear Women's Jacket Sizing

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Size Dress Size (in) Bust (in) Waist (in) Hips (in)
SM 4 - 6 32 - 34 25 - 27 34.5 - 36.5
MD 8 - 10 34 - 36.5 27 - 29.5 37 - 39
LG 12 - 14 37 - 39.5 30 - 32.5 39.5 - 42
XL 16 - 18 40.5 - 43.5 33 - 35.5 42.5 - 45
2XL 20 - 22 44 - 46.5 36 - 38.5 45.5 - 48
3XL 24 - 26 47 - 49.5 39 - 41.5 48.5 - 51

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • W Waist
    Measure around your natural waistline, around the top of the hip bones, inline with the navel while keeping the measuring tape parallel to the ground.
  • B Bust
    Measure around the fullest part of the bust, keeping the tape parallel to the ground.
  • HP Hips
    Measure the circumference, from pelvic bone to pelvic bone, at the widest part of your hips below the waist.
  • D Dress Size
    What size dress do you wear?

Firstgear Women's Pant Sizing

View all Firstgear
Size Waist (in) Hips (in) Inseam (in)
6 28.5 37.5 28.5
8 29.5 38.5 29.5
10 30.5 39.5 30.5
12 32 40.5 31.5
14 32.5 42 32.5
16 35 43.5 33.5
18 39 45 33.5

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • HP Hips
    Measure the circumference, from pelvic bone to pelvic bone, at the widest part of your hips below the waist.
  • I Inseam
    Measure from the highest point of your crotch down to your ankle, along your inner leg.
  • W Waist
    Measure around your natural waistline, around the top of the hip bones, inline with the navel while keeping the measuring tape parallel to the ground.

Firstgear Women's Heated Pant Liner Sizing

View all Firstgear
Size Waist (in) Waist Stretched (in)
XS 23-26 32-34
SM 24.5-26 34-36
MD 27-29.5 37-39.5
LG 29.5-32 39.5-42
XL 33-34.5 43-44
2XL 34.5-36 44-45

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • W Waist
    Measure around your natural waistline, around the top of the hip bones, inline with the navel while keeping the measuring tape parallel to the ground.

Firstgear Unisex Base Layer Top Sizing

View all Firstgear
Size Chest (in)
SM 40
MD 42
LG 44
XL 46
2XL 48
3XL 50

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • C Chest
    Measure around the fullest part of your chest, under the armpits, keeping the measuring tape parallel to the ground.

Firstgear Unisex Base Layer Pant Sizing

View all Firstgear
Size Waist (in)
XS 25
SM 29
MD 32
LG 35
XL 39
2XL 43
3XL 47

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • W Waist
    Measure around your natural waistline, around the top of the hip bones, inline with the navel while keeping the measuring tape parallel to the ground.

Firstgear Unisex Heated Sock Sizing

View all Firstgear
Size (cm) Men's Shoe Size Women's Shoe Size
XS - 4-6
SM 6-8 7-9
MD 8-10 9-11
LG 10-13 11-13
XL 13-15  -

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure