TECHNICAL PANTS SIZING (FR) S M L XL
US sizing 28/30 30/32 32/34 34/36
Waist 33 35 37 39
1/2 Hip  54 56 58 60
1/2 Thigh width  31 33 35 37
1/2 Leg opening 23.5 24.3 25.1 25.9
Inseam 81 81 81 81
Back Rise  35 35.5 36 36.5

All measures are in centimetres 

JEANS SIZING (FR) 36 38 40 42 44 46
US sizing 28  30 32 34 36 38
Waist 35.5 37.5 39.5 41.5 43.5 45.5
1/2 Hip  46 48 50 52 54 56
1/2 Thigh width  24 25 26 27 28 29
1/2 Leg opening 21 21.8 22.6 23.4 24.6 25.4
Inseam 81 81 81 81 81 81
Back Rise  34 34.5 35 35.5 36 36.5 

All measures are in centimetres