SPEEDO Begin to Swim Fabric Armbands Swim Level 2: Introduction to Swimming. Great teaching tool for beginning to swim and building water confidence. Tapered foam inserts encourage upright position in the water. UV50 Block the Burn? protection from the sun's harmful UVA and UVB rays. More body coverage for greater sun protection. BLUE: Versatile snap off swim shorts can be worn alone. PINK: Fresh designs with sleeve and skirt accents.