The Alder Spirit Thermal Polypropylene base layer thermal is suitable for all paddling and surfing needs. Wear under the wetsuit or as part of a layering system. Quick drying, warm, soft and very comfy to wear.Rash vest help prevent chaffing and irritated skin caused by rubbing from your wetsuit on your chest, neck or arms or off bodyboards or surf boards. Features: Flatlocked seams Quick drying Provides warmth Prevents skin irritation High collar Polypropylene construction Alder Men's Spirit Long Sleeve Poly Rash Vest Black WABSPVML