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 fourth element, the One Piece Arctic provides a simple solution to the challenges of thermal protection.

What to wear when scuba diving?

Download our Layering Guide!

Getting your gear right can make or break a dive! We’re here to explain baselayers, undersuits, and what to wear for certain dive conditions, along with some hints and tips along the way.

Elasticated waist band for extra comfort
Low, front zip for easy donning
High recycled content: Outer: 80% Recycled Polyester. Inner: Fleece 100% recycled polyester
Contemporary flexible, metallic branding
Hand Warmer Pockets
High wicking
Low bulk, high insulation
Pee-valve ready
Thumb loops and foot stirrups to aid donning
Single layered lower legs reducing bulk around the ankles

OUTER: 80% Recycled Polyester, 17% Nylon, 3% Elastane.
INNER: 100% recycled polyester

Care Instructions:

Machine Wash Separately at 30°
Line dry
Do not use bleach
Do not tumble dry
Do not iron
Do not use fabric softeners