Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3
Backzip 4mm3

Backzip 4mm3

$415 Sale Save
Size S Men's Sizing

Item is in stock Only 0 left in stock Item is out of stock Item is unavailable

Our Backzip 4mm3 is made with the best wetsuit material available—100% Yamamoto Neoprene: stretchier #40 in the upper body for paddling, and #39 in the body and legs for maximum warmth and lightness.

Designed and tested by Alex & Buzz at Ocean Beach, San Francisco—FERAL is built to last seasons, not sessions. Best for 50-59 degree water (temperature range dependent on personal burliness).

- 100% Yamamoto Japanese rubber (99.7% water impermeable)

- #40 Yamamoto up top: stretchier neoprene in arms, shoulders, and neck.

- #39 Yamamoto in the body and legs: lightweight rubber where you need it

- 4.5mm chest and back panels; 3.5mm arms, shoulders, and lower legs

- Ultra smooth, low-water-absorption jersey

- Reduced panel, strategic seam design

- Critical seam taping

- Back zip entry with internal 2mm water barrier

- YKK zipper w/heavy-duty steel slider

- Inner wrist and ankle seal silicone tape

- External thigh key pocket

- Good for 50-59 degree F water*

*(temperature range dependent on personal burliness)

Click to see FERAL's size guide

Worried about sizing? Free 30-day exchanges on unused suits.