Active Basic 4-Pack Four Tanks per Pack From Active Basic, the leader in Active products, these Comfortable Stretch Tanks feature adjustable spaghetti straps, and have a great stretch feel for all day Active comfort. 95% Cotton, 5% Spandex Between 22-24 inches long, depending on size Hand Wash Cold Imported Wardrobe Basics. By Active Basic. Every wardrobe needs its basics. These bra strap cami tanks are a must. Wear them under button ups, sweaters, mesh tops and last but not least, with pajamas! A casual essential, these spaghetti strap tank tops have adjustable shoulder straps and a long fit.