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OMS Sizing Guide

OMS sizing. Imperial in bold, metric underneath.

IQ Lite BackPack

Size Chest
in · cm
Height
ft/in · cm
Weight
lb · kg
XS 24–34
61–86
5′0″–5′6″
152–168
100–150
45–68
S 26–46
66–117
5′4″–5′10″
163–178
130–180
59–82
M / L 30–50
76–127
5′8″–6′2″
173–188
160–210
73–95
XL 35–55
89–140
6′0″–6′6″
183–198
190–240
86–109

The following sizing information is provided as guidelines. The IQ Lite Pack is extremely adjustable and many people can fit into more than one size.

IQ Lite CB BackPack Cummerbund

Size Chest
in · cm
Height
ft/in · cm
Weight
lb · kg
S 26–46
66–117
5′4″–5′10″
163–178
130–180
59–82
XS 24–34
61–86
5′0″–5′6″
152–168
100–150
45–68
M / L 30–50
76–127
5′8″–6′2″
173–188
160–210
73–95
XL 35–55
89–140
6′0″–6′6″
183–198
190–240
86–109

The following sizing information is provided as guidelines. The IQ Lite Pack Cumber bund is available in these sizes:

Comfort Harness III

Size Chest
in · cm
Height
ft/in · cm
Weight
lb · kg
S - M 26–46
66–117
5′4″–5′10″
163–178
130–180
59–82
M–L 30–50
76–127
5′8″–6′2″
173–188
160–210
73–95
XL–2XL 35–55
89–140
6′0″–6′6″
183–198
190–240
86–109

The Comfort Harness III is a full featured one size fits all harness with padded shoulder straps with stainless steel side release buckle on both sides, sternum strap and choice of Stainless steel or aluminum waist buckle and D Rings.

The following sizing information is provided as guidelines. The Comfort Harness III is extremely adjustable and many people can fit into more than one size adjustment.

Air cell descriptions and lifts

Single tank

Name Single tank
PM (Performance Mono) Wing
Lift 27 lbs (~12. kg) 118N
X
PM (Performance Mono) Wing
Lift 32 lbs (~14.7 kg) 144N
X
Performance Double Wing
Lift 45 lbs (~25.4 kg) 249N
—
Performance Double Wing
Lift 60 lbs (~27.3 kg) 268N
—

Double tank

Name Double tank
PM (Performance Mono) Wing
Lift 27 lbs (~12. kg) 118N
—
PM (Performance Mono) Wing
Lift 32 lbs (~14.7 kg) 144N
—
Performance Double Wing
Lift 45 lbs (~25.4 kg) 249N
X
Performance Double Wing
Lift 60 lbs (~27.3 kg) 268N
X

Source: OMS’s current size chart.