DUI FLX Extreme Men's Drysuit - Premium Diving Suit | Multiple Sizes

DUI drysuit sizing. Imperial in bold, metric underneath.

Men's drysuits

Height

Drysuit size	Height ft/in · cm
SS	5′4″ 163
S	5′6″ 168
ST	5′8″ 173
MS	5′6″ 168
M	5′8″ 173
MT	5′10″ 178
LS	5′8″ 173
L	5′10″ 178
LT	6′0″ 183
XLS	5′10″ 178
XL	6′0″ 183
XLT	6′2″ 188
2XLS	6′0″ 183
2XL**	6′2″ 188
2XLT	6′4″ 193

Chest, waist and hips

Drysuit size	Chest in · cm	Waist in · cm	Hips in · cm
SS	35–37 89–94	33–35 84–89	32–34 81–86
S	35–37 89–94	33–35 84–89	32–34 81–86
ST	35–37 89–94	33–35 84–89	32–34 81–86
MS	38–40 97–102	36–38 91–97	35–37 89–94
M	38–40 97–102	36–38 91–97	35–37 89–94
MT	38–40 97–102	36–38 91–97	35–37 89–94
LS	41–43 104–109	39–41 99–104	38–40 97–102
L	41–43 104–109	39–41 99–104	38–40 97–102
LT	41–43 104–109	39–41 99–104	38–40 97–102
XLS	44–46 112–117	42–44 107–112	41–43 104–109
XL	44–46 112–117	42–44 107–112	41–43 104–109
XLT	44–46 112–117	42–44 107–112	41–43 104–109
2XLS	47–49 119–124	45–47 114–119	44–46 112–117
2XL**	47–49 119–124	45–47 114–119	44–46 112–117
2XLT	47–49 119–124	45–47 114–119	44–46 112–117

Spine-wrist, floor to crotch and shoe size

Drysuit size	Spine-wrist in · cm	Floor to crotch in · cm	Shoe size in · cm
SS	27–28 69–71	32–33 81–84	10.1–10.5 25.7–26.7
S	28–29 71–74	33–34 84–86	10.1–10.5 25.7–26.7
ST	29–30 74–76	34–35 86–89	10.1–10.5 25.7–26.7
MS	28–29 71–74	33–34 84–86	10.5–10.6 26.7–27
M	29–30 74–76	34–35 86–89	10.5–10.6 26.7–27
MT	30–31 76–79	35–36 89–91	10.7–11 27.3–27.9
LS	29–30 74–76	34–35 86–89	10.7–11 27.3–27.9
L	30–31 76–79	35–36 89–91	10.7–11 27.3–27.9
LT	31–32 79–81	36–37 91–94	10.7–11 27.3–27.9
XLS	30–31 76–79	35–36 89–91	10.7–11 27.3–27.9
XL	31–32 79–81	36–37 91–94	10.7–11 27.3–27.9
XLT	32–33 81–84	37–38 94–97	10.7–11 27.3–27.9
2XLS	31–32 79–81	36–37 91–94	11–11.3 27.9–28.6
2XL**	32–33 81–84	37–38 94–97	11–11.3 27.9–28.6
2XLT	33–34 84–86	38–39 97–99	11–11.3 27.9–28.6

US shoe size and euro shoe size

Drysuit size	US shoe size	Euro shoe size
SS	8–9	41–43
S	8–9	41–43
ST	8–9	41–43
MS	9.5–10	43
M	9.5–10	43
MT	9.5–10	44–45
LS	10.5–11.5	44–45
L	10.5–11.5	44–45
LT	10.5–11.5	44–45
XLS	10.5–11.5	44–45
XL	10.5–11.5	44–45
XLT	10.5–11.5	44–45
2XLS	12–13	46–47
2XL**	12–13	46–47
2XLT	12–13	46–47

Men's 30/30™ Travel Drysuit

Height

Drysuit size	Height ft/in · cm
SS	5′4″ 166
S	5′6″ 168
ST	5′8″ 173
MS	5′6″ 168
M	5′8″ 173
MT	5′10″ 178
LS	5′8″ 173
L	5′10″ 178
LT	6′0″ 183
XLS	5′10″ 178
XL	6′0″ 183
XLT	6′2″ 188
2XLS	6′0″ 183
2XL**	6′2″ 188
2XLT	6′4″ 193

Chest, waist, hips and spine-wrist

Drysuit size	Chest in · cm	Waist in · cm	Hips in · cm	Spine-wrist in · cm
SS	35 89	33 84	32 81	27 69
S	35 89	33 84	32 81	28 71
ST	35 89	33 84	32 81	29 74
MS	38 97	36 91	35 89	28 71
M	38 97	36 91	35 89	29 74
MT	38 97	36 91	35 89	30 76
LS	41 104	39 99	38 97	29 74
L	41 104	39 99	38 97	30 76
LT	41 104	39 99	38 97	31 79
XLS	44 112	42 107	41 104	30 76
XL	44 112	42 107	41 104	31 79
XLT	44 112	42 107	41 104	32 81
2XLS	47 119	45 114	44 112	31 79
2XL**	47 119	45 114	44 112	32 81
2XLT	47 119	45 114	44 112	33 84

Floor to crotch

Drysuit size	Floor to crotch in · cm
SS	32 81
S	33 84
ST	34 86
MS	33 84
M	34 86
MT	35 89
LS	34 86
L	35 89
LT	36 91
XLS	35 89
XL	36 91
XLT	37 94
2XLS	36 91
2XL**	37 94
2XLT	38 97

Women's drysuits

Height

Drysuit size	Height ft/in · cm
SS	5′0″ 152
S	5′2″ 157
ST	5′4″ 163
MS	5′2″ 157
M	5′4″ 163
MT	5′6″ 168
MLS	5′4″ 163
ML	5′6″ 168
MLT	5′8″ 173
LS	5′6″ 168
L	5′8″ 173
LT	5′10″ 178
XLS	5′8″ 173
XL	5′10″ 178
XLT	6′0″ 183
2XLS	5′10″ 70
2XL**	6′0″ 72
2XLT	6′2″ 74

Chest, waist, hips and spine to wrist

Drysuit size	Chest in · cm	Waist in · cm	Hips in · cm	Spine to wrist in · cm
SS	31–32 79–81	29–30 74–76	33–34 84–86	25–26 64–66
S	31–32 79–81	29–30 74–76	33–34 84–86	26–27 66–69
ST	31–32 79–81	29–30 74–76	33–34 84–86	27–28 69–71
MS	33–34 84–86	31–32 79–81	35–36 89–91	26–27 66–69
M	33–34 84–86	31–32 79–81	35–36 89–91	27–28 69–71
MT	33–34 84–86	31–32 79–81	35–36 89–91	28–29 71–74
MLS	35–36 89–91	33–34 84–86	37–38 94–97	27–28 69–71
ML	35–36 89–91	33–34 84–86	37–38 94–97	28–29 71–74
MLT	35–36 89–91	33–34 84–86	37–38 94–97	29–30 74–76
LS	37–38 94–97	35–36 89–91	39–40 99–102	28–29 71–74
L	37–38 94–97	35–36 89–91	39–40 99–102	29–30 74–76
LT	37–38 94–97	35–36 89–91	39–40 99–102	30–31 76–79
XLS	39–40 99–102	37–38 94–97	41–42 104–107	29–30 74–76
XL	39–40 99–102	37–38 94–97	41–42 104–107	30–31 76–79
XLT	39–40 99–102	37–38 94–97	41–42 104–107	31–32 79–81
2XLS	41–42 104–107	39–40 99–102	43–44 109–112	30–31 76–79
2XL**	41–42 104–107	39–40 99–102	43–44 109–112	31–32 79–81
2XLT	41–42 104–107	39–40 99–102	43–44 109–112	32–33 81–84

Floor to crotch and shoe size

Drysuit size	Floor to crotch in · cm	Shoe size in · cm
SS	30–31 76–79	9.1–9.4 23.1–23.8
S	31–32 79–81	9.1–9.4 23.1–23.8
ST	32–33 81–84	9.1–9.4 23.1–23.8
MS	31–32 79–81	9.5–9.9 24.1–25.1
M	32–33 81–84	9.5–9.9 24.1–25.1
MT	33–34 84–86	9.5–9.9 24.1–25.1
MLS	32–33 81–84	9.5–9.9 24.1–25.1
ML	33–34 84–86	9.5–9.9 24.1–25.1
MLT	34–35 86–89	9.5–9.9 24.1–25.1
LS	33–34 84–86	9.5–9.9 24.1–25.1
L	34–35 86–89	9.5–9.9 24.1–25.1
LT	35–36 89–91	9.5–9.9 24.1–25.1
XLS	34–35 86–89	10–10.2 25.4–26
XL	35–36 89–91	10–10.2 25.4–26
XLT	36–37 91–94	10–10.2 25.4–26
2XLS	35–36 89–91	10–10.2 25.4–26
2XL**	36–37 91–94	10–10.2 25.4–26
2XLT	37–38 94–97	10–10.2 25.4–26

US shoe size and euro shoe size

Drysuit size	US shoe size	Euro shoe size
SS	5.5–6.5	35.5–37
S	5.5–6.5	35.5–37
ST	5.5–6.5	35.5–37
MS	7–8.5	38–39
M	7–8.5	38–39
MT	7–8.5	38–39
MLS	7–8.5	38–39
ML	7–8.5	38–39
MLT	7–8.5	38–39
LS	7–8.5	38–39
L	7–8.5	38–39
LT	7–8.5	38–39
XLS	9–10	40–42
XL	9–10	40–42
XLT	9–10	40–42
2XLS	9–10	40–42
2XL**	9–10	40–42
2XLT	9–10	40–42

DUI’s metric chart prints the heights for 2XLS, 2XL and 2XLT as 70, 72 and 74 cm; its women’s 30/30 table gives 178, 183 and 188 cm for the same sizes.

Women's 30/30™ Travel Drysuit

Height

Drysuit size	Height ft/in · cm
SS	5′0″ 152
S	5′2″ 157
ST	5′4″ 163
MS	5′2″ 157
M	5′4″ 163
MT	5′6″ 168
MLS	5′4″ 163
ML	5′6″ 168
MLT	5′8″ 173
LS	5′6″ 168
L	5′8″ 173
LT	5′10″ 178
XLS	5′8″ 173
XL	5′10″ 178
XLT	6′0″ 183
2XLS	5′10″ 178
2XL**	6′0″ 183
2XLT	6′2″ 188

Chest, waist, hips, spine to wrist and floor to crotch

Drysuit size	Chest in · cm	Waist in · cm	Hips in · cm	Spine to wrist in · cm	Floor to crotch in · cm
SS	31 79	29 74	33 84	25 64	30 76
S	31 79	29 74	33 84	26 66	31 79
ST	31 79	29 74	33 84	27 69	32 81
MS	33 84	31 79	35 89	26 66	31 79
M	33 84	31 79	35 89	27 69	32 81
MT	33 84	31 79	35 89	28 71	33 84
MLS	35 89	33 84	37 94	27 69	32 81
ML	35 89	33 84	37 94	28 71	33 84
MLT	35 89	33 84	37 94	29 74	34 86
LS	37 94	35 89	39 99	28 71	33 84
L	37 94	35 89	39 99	29 74	34 86
LT	37 94	35 89	39 99	30 76	35 89
XLS	39 99	37 94	41 104	29 74	34 86
XL	39 99	37 94	41 104	30 76	35 89
XLT	39 99	37 94	41 104	31 79	36 91
2XLS	41 104	39 99	43 109	30 76	35 89
2XL**	41 104	39 99	43 109	31 79	36 91
2XLT	41 104	39 99	43 109	32 81	37 94

Hot water suits

Height

Hot water suit size	Height ft/in · cm
SS	5′2″ 157
SR	5′4″ 163
ST	5′6″ 168
MS	5′4″ 163
MR	5′6″ 168
MT	5′8″ 173
LS	5′6″ 168
LR	5′8″ 173
LT	5′10″ 178
XLS	5′8″ 173
XLR	5′10″ 178
XLT	6′0″ 183
2XLS**	5′10″ 178
2XLR**	6′0″ 183
2XLT**	6′2″ 188
3XS**	6′0″ 183
3XR**	6′2″ 188
3XT**	6′4″ 193

Chest, waist, floor to crotch and hips

Hot water suit size	Chest in · cm	Waist in · cm	Floor to crotch in · cm	Hips in · cm
SS	37 94	31 79	31 79	39 99
SR	37 94	31 79	32 81	39 99
ST	37 94	31 79	33 84	39 99
MS	40 102	34 86	32 81	2 107
MR	40 102	34 86	33 84	42 107
MT	40 102	34 86	34 86	42 107
LS	43 109	34 86	33 84	45 114
LR	43 109	34 86	34 86	45 114
LT	43 109	34 86	35 89	45 114
XLS	45 114	37 94	34 86	48 122
XLR	45 114	37 94	35 86	48 122
XLT	45 114	37 94	36 91	48 122
2XLS**	48 122	40.2 102	35 89	51.2 130
2XLR**	48 122	40 102	36 91	51 130
2XLT**	48 122	40 102	37 94	51 130
3XS**	51 130	43 109	36 91	54 137
3XR**	51 130	43 109	37 94	54 137
3XT**	51 130	43 109	38 97	54 137

From DUI’s chart: Special Fitting Note: Measurements are guidelines only. Different suit styles are designed to fit differently. Individual insulation needs, fit preference and even diving equipment configurations can affect the suit size selected. If you have any questions about fit, contact DUI Customer Support Team for assistance.

Undergarments, boots, hoods and gloves

DUI undergarments, Weight & Trim, boots, hoods and gloves size chart

Source: DUI’s size chart. Where the chart prints only one unit, we converted the other: inches from centimeters (to the nearest 0.1″); feet and inches from centimeters (to the nearest inch).

Pick an accessory — 90% off with your $1000+ order

$2502 items $5003 items $1,0005 items $1,5006 items $2,0008 items $3,00010 items $4,00012 items $5,00015 items

DiveCatalog.com Silicone Frameless Dive Mask
$59.95$6.00
DiveCatalog.com Retro Oval Dive Mask Without Nose Pocket Compensator
$44.95$4.50
DiveCatalog.com Classic Oval Dive Mask Silicone
$44.95$4.50
DiveCatalog.com Metal Coil Lanyard with Snap Clips
$39.95$4.00
DiveCatalog.com Junior Rubber Oval Dive Mask (15% smaller)
$34.95$3.50

90% off applies automatically at checkout on orders of $1000+ — or free for signed-in members. Not combinable with discount codes.

Payment & Security

Payment methods

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Product Information

The DUI FLX Extreme Men's Drysuit redefines technical diving with its ultra-durable trilaminate construction, combining polyester and butyl rubber for unmatched puncture resistance. Engineered for extreme conditions, this drysuit features a diagonal front-entry YKK metal zipper for easy donning, Cordura-reinforced knees for abrasion protection, and a telescoping torso with a crotch strap for a precision fit. Stay warm with the thermal neck collar and maintain optimal buoyancy via the swivel inlet valve and adjustable exhaust. Ideal for deep and cold-water diving, the FLX Extreme includes a drysuit bag, ZipStick, and 36" quick-disconnect hose—making it a top choice for professional divers.

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Brand	DUI
Model	FLX Extreme
Fit	Men's
Material	Polyester / butyl rubber trilaminate
Zipper	YKK metal waterproof, diagonal front entry
Inlet Valve	Swivel
Exhaust Valve	Adjustable
Reinforcements	Cordura knees and legs
Included Accessories	Drysuit bag, ZipStick, 36 in quick-disconnect hose
Fit Options	Select Series standard sizes or custom Signature Series

DUI FLX Extreme Men's Drysuit - Premium Diving Suit | Multiple Sizes

Pick an accessory — 90% off with your $1000+ order

Payment & Security

Product Information

DUI FLX Extreme Men's Drysuit - Premium Diving Suit | Multiple Sizes

Let customers speak for us