For waist size, measure around the waist above the top of the hip bone. The measuring tape should be positioned approximately where the person wears a belt.

MENS SIZES Waist Inseam (All Other) Inseam (BP350) Inseam (BPU350) Inseam (BEP31)
S 28-30" 31" 28" 37" 24"
M 32-34" 33" 30" 37" 24"
L 36-38" 33" 30" 37" 24"
XL 40-42" 34" 31" 37" 24"
XXL 44-46" 34" 31" 37" 24"
YOUTH SIZES Waist Inseam (All Other) Inseam (YBP350) Inseam (YBPU350) Inseam (YBEP31)
XS 21-22" 23"     14.5"
S 23-24" 24" 23" 33" 16.5"
M 25-26" 25" 24" 33" 18.5"
L 27-28" 26" 25" 33" 20.5"
XL 29-30" 27" 26" 33" 21.5"
XXL 31-32" 28" 27" 33"  
WOMENS SIZES Waist Inseam
XS 23-24" 21"
S 25-26" 21.5"
M 27-29" 22"
L 30-32" 22.5"
XL 33-35" 23"
XXL 36-38" 23.5"

BEP31

For waist size, measure around the waist above the top of the hip bone. The measuring tape should be positioned approximately where the person wears a belt.

BEP31 SM MD LG XL XXL
Waist 28-30" 32-34" 36-38" 40-42" 44-46"
Inseam 24" 24" 24" 24" 24"

BP150K

For waist size, measure around the waist above the top of the hip bone. The measuring tape should be positioned approximately where the person wears a belt.

BP150K SM MD LG XL XXL
Waist 28-30" 32-34" 36-38" 40-42" 44-46"
Inseam 16" 18" 18" 18" 18"

YP150K

For waist size, measure around the waist above the top of the hip bone. The measuring tape should be positioned approximately where the person wears a belt.

YP150K SM MD LG XL XXL
Waist 28-30" 32-34" 36-38" 40-42" 44-46"
Inseam 16" 18" 18" 18" 18"

YBEP31

For waist size, measure around the waist above the top of the hip bone. The measuring tape should be positioned approximately where the person wears a belt.

YBEP31 XS SM MD LG XL
Waist 21-22" 23-24" 25-26" 27-28" 29-30"
Inseam 14.5" 16.5" 18.5" 20.5" 21.5"