Described herein are fibers, nonwoven fabrics, and other nonwoven articles comprising a blend of at least one propylene-based elastomer and an impact copolymer. The impact copolymer is a reactor blend and comprises a propylene homopolymer component and a copolymer component, where the copolymer component comprises less than about 55 wt % ethylene-derived units, based on the weight of the copolymer component.