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 (temp
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Super warm. Pretty good fit. A bit baggy in the armpit
Patrick · August 13, 2026
This wetsuit feels like a second skin and I love how quickly it dries.