Ride Engine Onsen 5/4 FZ Wetsuit

Marsoni

M251S

$176.97

Get it in 3 business days with 1 day shipping. Friday, May 29

Ride Engine Onsen 5/4 FZ WetsuitThe perfect place to hide out from the cold is in the Ride Engine Onsen 5 4 3 wetsuit. Built in 100% percent Yamamoto #40 neoprene, fully taped, thermal lined, and designed for the harshest elements. Strategically built for max warmth and max mobility, the Onsen 5 4 3 has 5mm in the torso, 4mm in the legs, and 3mm in the arms. Not a single detail has been overlooked. No corners cut. No skimping on quality, testing, durability, or performance. Ride

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Fast: 2-3 business days
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It's true to size. I have a 42" chest and typically wear a large. I ordered large and it fits. Grab these while you can as most of these mock neck t shirts are a cotton poly blend. These are 98% cotton. This is important because although the cotton/poly blends dry quicker, they are uncomfortably warm if it gets above 70 F. I have purchased other mock turtlenecks and had my local dry cleaners convert them from long sleeves to short, but they are slightly heavier weight than these. I do wish that they made these in a dark green or military green color.

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Reviewed in the United States on March 26, 2026