http://www.redwingheritage.com/us/USD/product/womens-footwear/short-boots/short-engineer-copper-03356

https://www.redwingamsterdam.com/product/3358-short-engineer-sand-mohave/
https://www.redwingamsterdam.com/wp-content/uploads/2017/02/3358-Short-Engineer-Sand-Mohave1.jpg
https://www.redwingamsterdam.com/wp-content/uploads/2017/02/3358-Short-Engineer-Sand-Mohave2.jpg

ウエスコの新ローラーバックルって、レッドウィングの女性向けのこれと
多分同じ形だよね。