Prevail Air Adult Diapers are heavy absorbent for urinary incontinence. Prevail Air diapers come in size 1 (Medium) Size 2 (Large), Size 3 (Extra-Large).  The adult diapers briefs are designed for both men and women with free home delivery in 1-2 days.  Prevail Air has extra absorbency for individuals who have heavy incontinence and want to protect against urine leakage.  They feature Micro-Climate Care that reduces humidity and provides more comfort for the wearer.