Performance athletic wear designed for athletes who treat resistance as fuel. Hydrodynamic fabrics, four-way stretch, and recovery-grade compression — engineered in our hydrolab, tested in open water.
Every piece is built on our HYDRO-3 framework — base layer wicking, mid-layer compression, outer shell hydrodynamics. Tested across freshwater, salt, and the gym floor.
Nano-thin polymer layer repels water in 0.3 seconds while letting heat and vapor escape. Dries 4× faster than competitors.
360° four-way stretch with shape memory. Returns to original silhouette wash after wash. Tested at 50,000 stretch cycles.
Phase-change microcapsules in the lining absorb heat when you run hot, release it when you cool. No more layering chaos.
Every garment uses 12+ recycled ocean plastic bottles. Closed-loop dyes. Zero virgin polyester. Certified by SeaCare Global.
Targeted compression zones based on motion capture data from 200+ athletes. More support where you need it, mobility everywhere else.
Sun protection woven into the fiber, not sprayed on top. Doesn't wash out. Doesn't fade. Approved for open-water training.
Hydroshield · Unisex
FlexFiber · UPF 50+
Recovery-grade · Men's
Quick-dry · One size
Neptune is the only gear that doesn't fight me back. I forget I'm wearing it — until I look at my recovery data and realize what it's been doing the whole time.
Free shipping on orders over $150. 60-day try-on guarantee. Free returns. The only risk is liking it too much.
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