The NU-FIT brief features First Quality's Advanced Zoning System for leakage protection and skin dryness. NU-FIT features Easy-Lock Fastener (ELF), reattaching fasteners that securely grip and hold anywhere on the brief, and will reattach over and over again without being sticky. Cloth-Like Outer Fabric Easy-Lock Faster (ELF) Advanced Zoning System with Targeted Acquisition Zone and Fecal Containment Zone Refasten Zone Enhanced Breathable Zones.