Hotline 4/3mm Wetsuit – Warm, Flexible Surf Suit with Chest & Back Zip

Price: $274.95

Congrats! You’re about to become that person who shows up to the beach and makes everyone else look like they bought their wetsuits at a gas station.

This Hotline 4/3mm Full Wetsuit isn’t just neoprene — it’s a cozy fortress of warmth and flexibility, made for surfers who tackle cold water with style. Designed by Hotline, the original wetsuit makers from Santa Cruz since 1979, this suit is built to last.

Whether you’re paddling into stormy winter swells or just trying to impress some seagulls with your cutbacks, this is the suit that gets you there — warm, mobile, and unbothered.

Features:

4/3mm Neoprene: Thick for warmth, flexible for full range of motion — surf like you're in a superhero movie.
Chest Zip & Back Zip Options: Choose your adventure — slide in easy or zip up like a boss.
Strategic Flex Zones: Stretch where you need it, for comfort in chaos (or casual flailing).
Durable Triple-Glued & Blind-Stitched Seams: Battle-ready construction for years of cold sessions.

Not sure what size to get? Use our men’s GT 4/3mm wetsuit size guide to find the best fit. Whether you're zipping into a Chest Zip or Back Zip model, this chart covers weight and height recommendations for every body type.

Men’s GT 4/3mm Wetsuit Size Chart

Chest Zip

Size	Weight	Height
S	115 – 160 lbs	5'3" – 5'10"
ST	135 – 165 lbs	5'8" – 6'2"
M	155 – 180 lbs	5'7" – 6'0"
MT	155 – 180 lbs	5'10" – 6'2"
ML	155 – 210 lbs	5'10" – 6'3"
MLT	175 – 200 lbs	6'1" – 6'5"
L	190 – 210 lbs	5'10" – 6'3"
LT	190 – 210 lbs	6'0" – 6'6"
XL	200 – 250 lbs	5'9" – 6'4"
XLT	200 – 235 lbs	6'1" – 6'8"

Back Zip

Size	Weight	Height
MS	155 – 180 lbs	5'5" – 5'9"
M	155 – 180 lbs	5'8" – 6'0"
LS	195 – 215 lbs	5'7" – 6'0"
L	190 – 210 lbs	5'10" – 6'3"
XLS	200 – 230 lbs	5'9" – 6'2"

The Hotline size chart is to be used as a guide only. If you're in between sizes, we suggest sizing up.