Merrell Men's Barefoot Paciki Wrap unknown Barefoot strobel construction offers flexibility and comfort Synthetic leather upper with neoprene/spandex lining Merrell DeepDish 3D contour molded EVA footbed follows the contour of your foot 6mm compression molded EVA midsole cushions 1mm forefoot shock absorption plate maintains forefoot flexibility and protects the foot by distributing pressure