O.S. SYSTEMS, INCORPORATED

The Drysuit People
since 1983

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O.S. SYSTEMS, INCORPORATED
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O.S. SYSTEMS, INCORPORATED

OS SYSTEMS

"The Drysuit People™"
since 1983

Edit Content
O.S. SYSTEMS, INCORPORATED
Home
Size Charts
Manuals
Warranties
Price List
Testing
Order Policy
FAQs
Privacy Policy
Dive
Surface
Rescue
Fisheries Science
Undergarments
Repairs & Seals
Contact Us

Size Charts

OS SYSTEMS now makes all DIVE Drysuits, all SARR Drysuits (dive and surface water), all BREEZE Drysuits, all Stream Count Drysuits, all TRAVEL WADERS, and all THERMAL WEAR in Standard, Short, and Tall sizes. There are no extra charges for short or tall sizing, but these are “make to order only.” NOTE: DX-1, DX-2, and DX-3 sized products are not available in Short or Tall sizing.
SizeChestWaistHipsWeightHeight
XXS30-33"24-26"30-34"65-90 lb-4'10"
XS-Short33-35"26-28"34-36"80-105 lb4'9"-5'
XS33-35"26-28"34-36"90-115 lb4'11"-5'2"
XS-Tall33-35"26-28"34-36"95-120 lb5'1"-5'4"
SM-Short35-38"28-30"36-38"105-125 lb5'1"-5'4"
SM35-38"28-30"36-38"115-135 lb5'3"-5'6"
SM-Tall35-38"28-30"36-38"120-140 lb5'5"-5'8"
MED-Short38-40"30-34"38-42"125-150 lb5'6"-5"9"
MED38-40"30-34"38-42"135-160 lb5'8"-5"11"
MED-Tall38-40"30-34"38-42"140-165 lb5'10"-6"1"
LGE-Short42-44"34-38"42-44"155-190 lb5'8"-5'11"
LGE42-44"34-38"42-44"165-200 lb5'10"-6'1"
LGE-Tall42-44"34-38"42-44"170-205 lb6'-6'3"
XLG-Short46-48"38-42"44-48"190-220 lb5'11"-6'1"
XLG46-48"38-42"44-48"200-230 lb6'1"-6'3"
XLG-Tall46-48"38-42"44-48"205-235 lb6'3"-6'5"
XXL-Short50-52"44-48"48-52"220-250 lb6'0"-6'2"
XXL50-52"44-48"48-52"230-260 lb6'2"-6'4"
XXL-Tall50-52"44-48"48-52"235-265 lb6'4"-6'6"
Extra charge for XXL Sizing (see price list for specifics).
The measurements shown on all Size Charts are actual body measurements, not fabric measurements. All measurements should be taken wearing at most a t-shirt and shorts. All OS SYSTEMS patterns allow ease for undergarments and movements. Please do not make your own allowances.

Drysuit Size Charts

OS SYSTEMS now makes the HDPRO, SARR, DOLPHIN, MANTA, SPLASH-B, SPIRIT, SPIRIT-KS, SPLB-SROB, SPLB-SRBEC, SPLB-SRO, SPLB-SREC, K2, STREAM COUNT drysuits, TRAVEL WADERS, and all THERMAL WEAR in standard, short, and tall sizes. There are no extra charges for short or tall sizing, but these are “make to order only.”
The measurements shown on all size charts are actual body measurements, not fabric measurements. All measurements should be taken wearing at most a t-shirt and shorts. All OS SYSTEMS patterns allow ease for undergarments and movements. Please do not make your own allowances. Where only one measurement is shown, that is the maximum.
SizeXXSSM-ShortSMSM-TallMED-ShortMEDMED-TallLGE-Short
Chest30"-33"35"-38"35"-38"35"-38"38"-40"38"-40"38"-40"42"-44"
Waist24"-26"28"-30"28"-30"28"-30"30"-34"30"-34"30"-34"34"-38"
Hips30"-34"36"-38"36"-38"36"-38"38"-42"38"-42"38"-42"42"-44"
Weight65-90105-125115-135120-140125-150135-160140-165144-190
Height-4'10”5'1”-5'4”5'3”-5'6”5'5”-5'8”5'5”-5'9”5'8”-5'11”5'10”-6'1”5'8”-5'11”
SizeLGELGE-TallXLG-ShortXLGXLG-TallXXL-ShortXXL
Chest42”-44”42”-44”46”-48”46”-48”46”-48”50”-52”50”-52”
Waist34”-38”34”-38”38”-42”38”-42”38”-42”44”-48”44”-48”
Hips42”-44”42”-44”44”-48”46”-48”44”-48”48”-52”48”-52”
Weight165-200170-205190-220200-230205-235220-250230-260
Height5'10”-6'1”6'0”-6'3”5'11”-6'1”6'1”-6'3”6'3”-6'5”6'0”-6'2”6'2”-6'4”

There is an extra charge for XXL sizing (see price list for specifics).

Women’s Plus Size Chart

All drysuits, except the BREEZE Series, are available in Women’s Plus athletic sizing (DX Sizing), in addition to standard sizing. There are no extra charges for these sizes, where they are available, but these are “make to order only.”
SizeChestWaistHipsWeightHeight
DX-143-45"35-37"45-47"160-170 lb5'4"-5'6"
DX-247-49"39-41"49-51"180-190 lb5'4"-5'6"
DX-351-53"43-45"53-55"200-210 lb5'4"-5'6"
The measurements shown on all Size Charts are actual body measurements, not fabric measurements. All measurements should be taken wearing at most a t-shirt and shorts. All OS SYSTEMS patterns allow ease for undergarments and movements. Please do not make your own allowances. Where only one measurement is shown, that is the maximum.

Women’s Plus Size Chart

All horizontal front entry diving drysuits are also available in women’s plus athletic sizing (DX sizing). There are no extra charges for these sizes where they are available, but these are “make to order only.”
SizeDX-1DX-2DX-3
Chest43"-45"47"-49"51"-53"
Waist35"-37"39"-41"43"-45"
Hips45"-47"47"-49"51"-53"
Weight160-170180-190200-210
Height5'4"-5'6"5'4"-5'6"5'4"-5'6"
The measurements shown on all size charts are actual body measurements, not fabric measurements. All measurements should be taken wearing at most a t-shirt and shorts. All OS SYSTEMS patterns allow ease for undergarments and movements. Please do not make your own allowances. Where only one measurement is shown, that is the maximum.

ADDITIONAL SIZING OPTIONS (CUSTOM, SEMI-CUSTOM) – Available on all OS Systems products

Full Custom/Semi-Custom Sizing – Written orders only, on OS Custom Sheets. Allow 8+ weeks, plus shipping. Includes color choices.
Semi-Custom Sizing – Lengthen or shorten any two (arms, torso, legs).

**See Price List for pricing details.

Download Custom Measurement Instructions
Download Custom Measurement Sheet (Drysuits and Thermal Wear)
Download Custom Measurement Sheet (Travel Waders)
Custom Measurement You Tube Video Link
O.S. SYSTEMS, INCORPORATED
Home
Size Charts
Manuals
Warranties
Price List
Testing
Order Policy
FAQs
Privacy Policy
Contact Us
Dive
Surface
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