KEY FEATURES
Temperature: 41F & Up
Activities: Multi-Sport
Seam Type: | Sealed & Welded |
Extra: Additional Fluid Welded Seams!
O'Neill Heat 3Q-Zip 4/3 FSW Men's Wetsuit The O'Neill Heat is now packed with more features than ever before. The Heat men's wetsuit is made using the super stretchy 100% UltraFlex DS Neoprene. The Fluidflex Firewall in the chest and back make this suit warmer and more flexible than in previous years. The Heat uses a Red Zone, water tight zipper and a single Fluid Seam Weld on the exterior seams. The Heat is named for a reason - it will keep you warmer than most other 4/3mm wetsuits on the market!
100% UltraFlex DS Neoprene
Easy in and Out!
1X Exterior Fluid Seam Weld
Firewall Insulating-Fiber Jersey in Chest and Back
Red Zone Zipper (Water Tight)
LSD: Lumbar Seamless Design
100% Sealed
Side Winder S-Curve Seams
Strategic Seamless Paddle Zones
Handcuff Wrist Seals
Single Superseal Neck
Engineered Fit
External Key Pocket
Minimal Seam Design
Krypto Knee Padz
O'Neill Wetsuits Size Chart
*Not all suits are made in all sizes. Chest and height are key considerations in size.
|
Men's (US)
|
Height
|
Weight
|
Chest
|
Waist
|
Hips
|
Neck
|
|
XS
|
5'7-5'9
|
125-140
|
34.5 - 36.5
|
28-30
|
33-35
|
14.5
|
|
S
|
5'8-5'10
|
135-155
|
36.5 - 38.5
|
29-31
|
34-36
|
15
|
|
ST
|
6'0-6'2
|
145-165
|
36.5 - 38.5
|
29-31
|
34-36
|
15
|
|
MS
|
5'6.5 - 5'8.5
|
140-160
|
38.5 - 40.5
|
30.5 - 32.5
|
35.5 - 37.5
|
15.5
|
|
M
|
5'9-5'11
|
150-170
|
38.5 - 40.5
|
30.5 - 32.5
|
35.5 - 37.5
|
15.5
|
|
MT
|
6'1-6'3
|
160-180
|
38.5 - 40.5
|
30.5 - 32.5
|
35.5 - 37.5
|
15.5
|
|
LS
|
5'7.5 - 5'9.5
|
160-180
|
40.5 - 42.5
|
32.5 - 34.5
|
37.5 - 39.5
|
16
|
|
L
|
5'10-6'0
|
170-190
|
40.5 - 42.5
|
32.5 - 34.5
|
37.5 - 39.5
|
16
|
|
LT
|
6'2-6'4
|
180-200
|
40.5 - 42.5
|
32.5 - 34.5
|
37.5 - 39.5
|
16
|
|
XLS
|
5'8.5 - 5'10.5
|
180-200
|
42.5 - 44.5
|
34.5 - 36.5
|
39.5 - 41.5
|
16.5
|
|
XL
|
5'11-6'1
|
190-210
|
42.5 - 44.5
|
34.5 - 36.5
|
39.5 - 41.5
|
16.5
|
|
XLT
|
6'3.5 - 6'5.5
|
200-220
|
42.5 - 44.5
|
34.5 - 36.5
|
39.5 - 41.5
|
16.5
|
|
XXL
|
6'0 - 6'2
|
210-230
|
44.5 - 46.5
|
36.5 - 38.5
|
41.5 - 43.5
|
17
|
|
3XL
|
6'0-6'3
|
230-250
|
47-49
|
41.5 - 43.5
|
44-46
|
17.25
|
|
4XL
|
6'1-6'4
|
250-270
|
50-52
|
43-47
|
46-48
|
17.5
|
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