O'neill Underlayer Thermo Rash Shorts Black/Black 8oz Polypropylene 4-Way stretch fabric Flatlock stitching Water repellent Rash protection Product Description The O'Neill Thermo is base layer insulator, which can be worn under your winter wetsuit for added warmth. Alternatively can be worn under boardshorts in cool to warm water temperatures, perfect for UK summers. O'Neill's 8OZ Polypropylene provides excellent insulation in a minimal bulk fabric. This thermal offers great flex and breath ability thanks to the Flatlock Stitching and 4-Way Stretch Fabric.
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