Size “W2” fits like a medium/large. The Synergy Volution wetsuit is a high performance quick john wetsuit providing you with flexibility, flotation and speed at entry-level pricing representing an exceptional value. Designed and constructed for optimum balance between buoyancy and flexibility, it is perfect for all levels of ability, be it competing in triathlons or for open water recreational swimming. The quick john design is perfect for swimming while keeping you buoyant and warm.