Trousers/salopettes sizing

Standard Sizing

The PHD Sizing Chart below is based on measurements without clothing, exactly the way you would buy a pair of trousers. Inside Leg is measured from crotch to ankle bone.

Size Waist Inside leg
XS 71cm
S 76cm
M 84cm
L 91cm
XL 99cm

Custom Sizing

Once you've selected your Waist size you can specify the Inside Leg size up to two sizes bigger or smaller. For example, a trousers or salopettes with a medium (M) Waist can have XS, S, M, L, or XL Inside Leg. If you have any questions about your size, please contact us.

Waist. Use the chart below to find your Waist size. Measure yourself without clothes.

Waist size Waist circumference
XS 71cm (28")
S 76cm (30")
M 84cm (33")
L 91cm (36")
XL 99cm (39")

Inside Leg. Use the chart below to find your Inside Leg size. Measure yourself without clothes from crotch to ankle bone.

Inside Leg size Inside Leg length
XXXS 61cm (24")
XXS 65cm (25.5")
XS 69cm (27")
S 72cm (28.5")
M 76cm (30")
L 80cm (31.5")
XL 84cm (33")
XXL 88cm (34.5")
XXXL 91cm (36")

N.B. PHD clothing is unisex.


  • Down Trousers & Salopettes are sized to fit over thermal underwear &/or climbing trousers.