Size/Fit Summary: True to size. Regular fit. Note: A pair of both grey and dark green laces come with this style. Now crafted from recycled polyester, our bestselling Men’s Commando Boots have been updated this season to be even more environmentally friendly. These dark green and grey winter walking boots are certified vegan, 100% waterproof and will keep your feet warm in temperatures as low as -22°C (-8°F).