FeaturesMARATHON SESSIONSOuter material: CHAMPION STRETCH - 93.2% recycled Nylon, 6.8% SpandexNeoprene: STRETCH FLIGHT ECO NEOPRENEInner material: PRIMALOFT WARM - 37% polyester, 7% recycled Spandex, 56% recycled polyester PrimaLoftConstruction: full suit with long sleevesThickness: 5/4 mmOpening system: horizontal zip closureExternal seam detail: durable seamsInternal seam detail: Reinforced friction points with Melco tapeAqua Alpha adhesive details - water-basedComposition93.2% recycled Nylon, 6.8% Spandex