Not a big fan of the Topo MT so far. While it has a natural toe-box and nearly zero-drop platform, it is too stiff for my tastes. Stiffness may be an acceptable trade-off for very rough terrain.
TOPO ST on Amazon
♦Light, Flexible, Zero Drop, Wide Toebox
♦6.5 oz in men’s 10.5
♦ Bikila Evo : one of my favorite VFF to date
♦ Ultra Lightweight: only 4.3 oz
♦ Super flexible
♦ Approximately same cushioning as original Bikila yet lighter