[Fujiyot Gakuseifuku] Swim Shorts Kids School Swimsuit Boys Trunks Pants SSW400 Dark Navy 120 Trunks with excellent chlorine resistance, light resistance, and mold resistance. With inner pants. These are trunks for boys (with inner pants). Color: Dark Navy Material Composition: 80% Nylon, 20% Polyurethane Care Instructions: Machine Wash Texture: Soft texture and high elasticity of 3-WAY tricot.