4mm3
Our 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
- Chest zip entry with concealed shoulder drawstring
- PK waterproof zipper w/stainless steel pull
- 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.