Arctic Fourth Element

High-Performance Undersuit for Drysuit Diving

We've taken the market-leading Arctic Undersuit and made it even better. Redesigned and now fully OceanPositive, using recycled polyester, the minimalist design has been updated with new features, including p-valve routing, pockets, and more.

Probably the world's best-selling thermal undergarment is now available in a simple one-piece option. Featuring the innovative two-layer technology pioneered by the fourth element, the One Piece Arctic provides a simple solution to the challenges of thermal protection.