This size guide is provided by Aqualung to help you select the correct BCD size. Please contact us if you have any questions or require further assistance with sizing.

Axiom i3 BCD

SizeHeight (ft/in)Weight (lbs)Waist (in)Over the Shoulder (in)Total Weight (lbs/kg)Releaseable Weight (lbs/kg)Lift (lbs)Lift (N)
XS5’0″ – 5’5″100 – 12530 – 4233 – 4130 / 13.520 / 931130
S5’2″ – 5’7″120 – 15530 – 4237 – 4530 / 13.520 / 931130
M5’7″ – 5’10″150 – 16533 – 4540 – 4830 / 13.520 / 936160
ML5’10″ – 6’0″160 – 19035 – 4742 – 5030 / 13.520 / 941180
L6’0″ – 6’2″180 – 21038 – 5044 – 5240 / 1830 / 13.544190
XL6’2″ – 6’5″195 – 24041 – 5346 – 5440 / 1830 / 13.547200
XXL6’2″ – 6’5″230 – 27044 – 5646 – 5440 / 1830 / 13.554230

Axiom BCD

SizeHeight (ft/in)Weight (lbs)Waist (in)Over the Shoulder (in)Total Weight (lbs/kg)Releaseable Weight (lbs/kg)Lift (lbs)Lift (N)
XS5’0″ – 5’5″100 – 12530 – 4233 – 4130 / 13.520 / 927120
S5’2″ – 5’7″120 – 15530 – 4237 – 4530 / 13.520 / 927120
M5’7″ – 5’10″150 – 16533 – 4540 – 4830 / 13.520 / 935150
ML5’10″ – 6’0″160 – 19035 – 4742 – 5030 / 13.520 / 938160
L6’0″ – 6’2″180 – 21038 – 5044 – 5240 / 1830 / 13.539170
XL6’2″ – 6’5″195 – 24041 – 5346 – 5440 / 1830 / 13.543190
XXL6’2″ – 6’5″230 – 27044 – 5646 – 5440 / 1830 / 13.548210

Outlaw BCD / Rogue BCD / Omni BCD

SizeHeight (ft/in)Weight (lbs)Waist (in)Over the Shoulder (in)Total Weight (lbs/kg)Releaseable Weight (lbs/kg)Lift (lbs)Lift (N)
S4’8″ – 5’7″90 – 15529 – 4333 – 4220 / 9 (optional)20 / 9 (optional)25110
M5’7″ – 6’0″150 – 21032 – 4840 – 4920 / 9 (optional)20 / 9 (optional)25110
L5’10″ – 6’5″200 – 27042 – 5844 – 5320 / 9 (optional)20 / 9 (optional)25110

Pearl BCD

SizeHeight (ft/in)Weight (lbs)Waist (in)Over the Shoulder (in)Total Weight (lbs/kg)Releaseable Weight (lbs/kg)Lift (lbs)Lift (N)
XS4’8″ – 5’5″90 – 12525 – 3732 – 3820 / 920 / 923100
S5’2″ – 5’7″120 – 15427 – 4233 – 3926 / 1220 / 928120
M5’5″ – 5’10″135 – 18030 – 4535 – 4130 / 13.520 / 932140
ML5’7″ – 6’0″+175 – 21035 – 5035 – 4130 / 13.520 / 944190

Pro HD BCD and Pro HD Compact

SizeHeight (ft/in)Weight (lbs)Waist (in)Over the Shoulder (in)Total Weight (lbs/kg)Releaseable Weight (lbs/kg)Lift (lbs)Lift (N)
XS5’0″ – 5’5″100 – 12525 – 3732 – 3830 / 13.520 / 924110
S5’2″ – 5’7″120 – 15527 – 4234 – 4030 / 13.520 / 927120
M5’7″ – 5’10″150 – 16530 – 4539 – 4530 / 13.520 / 929120
ML5’10″ – 6’0″160 – 19032 – 4741 – 4730 / 13.520 / 933140
L6’0″ – 6’2″180 – 21035 – 5043 – 4940 / 1830 / 13.544190
XL6’2″ – 6’5″195 – 24037 – 5245 – 5140 / 1830 / 13.555240

Soul i3 BCD / Soul BCD

SizeHeight (ft/in)Weight (lbs)Waist (in)Over the Shoulder (in)Total Weight (lbs/kg)Releaseable Weight (lbs/kg)Lift (lbs)Lift (N)
XXS4’8″ – 5’4″90 – 12526 – 3832 – 3830 / 13.520 / 922100
XS/SM5’2″ – 5’7″110 – 14530 – 4233 – 3930 / 13.520 / 928120
MD5’5″ – 5’10″140 – 16533 – 4535 – 4130 / 13.520 / 932140
ML5’10″ – 6’0″+160 – 19038 – 5035 – 4130 / 13.520 / 942180

Wave BCD

SizeHeight (ft/in)Weight (lbs)Waist (in)Over the Shoulder (in)Total Weight (lbs/kg)Releaseable Weight (lbs/kg)Lift (lbs)Lift (N)
3XS24 – 3625 – 31N/AN/A1880
2XS24 – 3632 – 38N/AN/A1880
XS5’0-5’5”100 – 12525 – 3732 – 38N/AN/A24110
S5’2”-5’7”120 – 15527 – 4234 – 40N/AN/A27120
M5’7”-5’10”150 – 16530 – 4539 – 45N/AN/A29120
ML5’10”-6’0”160 – 19032 – 4741 – 47N/AN/A33140
L6’0”-6’2”180 – 21035 – 5043 – 49N/AN/A44190
XL6’2”-6’5”195 – 24037 – 5245 – 51N/AN/A55240

Zuma BCD

SizeHeight (ft/in)Weight (lbs)Waist (in)Over the Shoulder (in)Total Weight (lbs/kg)Releaseable Weight (lbs/kg)Lift (lbs)Lift (N)
XXS/XS4’8″ – 5’5″90 – 12526 – 4332 – 4420 / 920 / 92290
SM/M5’2″ – 5’10″120 – 16528 – 4536 – 4820 / 920 / 92290
ML/L5’10″ – 6’2″160 – 21033 – 5039 – 5120 / 920 / 934150
XL/XXL6’2″ – 6’5″195 – 27039 – 5642 – 5420 / 920 / 934150