The Oxygen Advantage Method is a further development of this work

Additional new features include a padded collar and a cork insole that helps reduce foot fatigue throughout the day

more traditionally inspired

And you can take it out or put it in

Lems Nine2Five Shoe size:48 The Oxygen Advantage Method isThis style now features an Oxford design with a plain toe, ensuring a professional appearance that seamlessly transitions from work to weekend. Nine2Five is made from upgraded full grain, polishable leather and has a rich finish and pebbled texture that maintains its sleek, sophisticated look. Nine2five has the same last as its predecessor and features a familiar fit that suits many different foot shapes thanks to the minimalist design with a wide toe