#112310 Merino Thermal Pack 275gsm Top & Bottom
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cm
inches
This style is a firm close fit for wearing as a base layer- if you like a looser fit go up a size. If your top and bottom sizes are very different you may need to purchase separate pieces.
inches
Tight
TO FIT CHEST (circumference)
Loose
Tight
TO FIT WAIST (CIRCUMFERENCE))
Loose
Sizing Chart
Garment Measurements
Shirt & Pant Sizing
inches
cm
SIZE | TO FIT CHEST (circumference) | TO FIT WAIST (CIRCUMFERENCE)) |
XS | 29.9 - 33.1 | 27.6 - 30.7 |
S | 33.9 - 37 | 31.5 - 34.6 |
M | 37.8 - 40.9 | 35.4 - 38.6 |
L | 41.7 - 44.9 | 39.4 - 42.5 |
XL | 45.7 - 48.8 | 43.3 - 46.5 |
2XL | 49.6 - 52.8 | 47.2 - 50.4 |
3XL | 53.5 - 56.7 | 51.2 - 54.3 |
FIT: These are a firm fit and the 275gsm Double Knit fabric has plenty of stretch - if you'd like a much looser fit please go up a size.

These are the approximate garment measurements with the garment laid flat.
Shirt Measurements
inches
cm
Approximate Garment Measurements | XS | S | M | L | XL | 2XL | 3XL |
CHEST WIDTH | UNDERARM-UNDERARM (1/2 BODY) | 15 | 16.9 | 18.9 | 20.9 | 22.8 | 24.8 | 26.8 |
BODY LENGTH | SHOULDER-HEM | 26.8 | 27.6 | 28.3 | 29.1 | 29.9 | 30.7 | 31.5 |
SLEEVE LENGTH | 28.7 | 29.5 | 30.3 | 31.1 | 31.9 | 32.7 | 33.5 |
Pant Measurements
inches
cm
Approximate Garment Measurements | XS | S | M | L | XL | 2XL | 3XL |
LEG INNER SEAM (Crotch to Hem) | 31.9 | 32.3 | 32.7 | 33.1 | 33.5 | 33.9 | 34.3 |
OUTER LEG (Waist to Hem) | 40.6 | 40.9 | 41.3 | 41.7 | 42.1 | 42.5 | 42.9 |