• Flexible, durable outer layer. Windproof and breathable middle layer
• Warm, moisture-wicking, inner fleece layer. Extended material on back to keep vest from riding up
• Lightweight and 4-way stretch
• Lavacore is neutrally buoyant
• All seams are overlapped during flatlock sewing. UPF 50 protection

However you want to wear it - under a wetsuit, under Lavacore full suit, stand alone or paired with Lavacore shorts - this extremely versatile vest covers your core organs from the elements - at an affordable price