A protective enclosure for an electronic device can include a structural layer having a plurality of openings. The structural layer can provide rigidity to the protective enclosure. The protective enclosure can include a flexible cushion layer disposed over an outer surface of the structural layer. The flexible cushion layer can provide cushioning to the protective enclosure and can include a plurality of protrusions extending through the plurality of openings in the structural layer inward toward an interior of the protective enclosure. The plurality of protrusions can be configured to make contact with an electronic device when installed in the protective enclosure.