• Mesh and TPU upper Traditional lace closure Hyperlock TPU film heel counter for security M Select FRESH antimicrobial agents reduces shoe odor Breathable mesh lining Integrated insole Merrell Barefoot 2 construction for enhanced proprioception and stability during variable movement TrailProtect rock plate protects feet from underfoot debris Vibram TC5 Stack Height (heel/toe): 11.5/11.5mm; insole: 0mm; insole: 3mm; midsole: 4/4mm; sole: 1.5mm web, 3mm lug Weight: 7oz / 196g (1/2 pair)SIZINGThe Trail Glove 5 is a barefoot shoe, and has been built with a full forefoot to allow for a more natural foot movement. When compared to the Trail Glove 4, it is running ½ size large. If you're looking for a similar fit to our previous version, we recommend you order a ½ size smaller than your typical size.