Our Amsterdam is light and airy, can be combined in a variety of ways and, thanks to its wide toe box, provides extra space and freedom of movement in the toe area. The casual sneaker is made of robust yet supple goatskin leather and breathable OnSteam lining made of microfiber. The original TrueSense GO1 barefoot sole is flat, extremely thin and can be bent in all directions. So you enjoy freedom of movement and direct contact with the ground with every step.-Groundies barefoot shoe Amsterdam-Zero drop and neutral footbed-Anatomical toe box: foot-friendly, wider fit in the toe area-Upper made of soft goatskin-Soft OnSteam lining made of breathable microfiber-TrueSense GO1 sole with 3 mm base and 3.3 mm profile-Flexible, slip and abrasion resistant-Designed in Germany. Made in Portugal-Size note: This model runs true to size