Why buy from Extreme Watersport
- Affordable Thermal Layer
- Recycled SHERPA Fleece
- Designed for 6–18°C Water

Product overview
The Avatar 901 Undersuit is a comfortable, functional and affordable drysuit undersuit designed for moderate to cold-water diving. Made from soft 450 g/m² SHERPA fleece produced from recycled plastic bottles, it provides reliable warmth, flexibility and comfort beneath a drysuit without the premium price tag.
Designed for divers looking for a simple and economical thermal layer, the Avatar 901 features a low collar, flat front zipper, thumb loops, foot straps and a heating system cable opening. It is easy to wash, quick to dry and suitable for recreational drysuit diving in a wide range of Australian cold-water conditions.
Available in men’s and women’s standard sizing.
Service and support
Technical construction
Performance detail
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Specifications
Fit guidance
Use the size guide below as a reference before ordering. If you are between sizes or plan to wear additional base layers, contact us and we can help recommend the most suitable fit.


Included
Product guidance
Product help