The big buckle variant features a large and elegant pin buckle, a beautiful detail that stands out on these very sober sandals, the insole of the semi-exquisite footbed, covered in soft smooth leather in a color coordinated with the shoe, the upper, made of particularly thick and oiled nubuck leather, worked with open seams,,, anatomical cork and latex footbed; semi-exquisite,, upper: oiled nubuck leather,, insole: smooth leather,, sole: eva,, details: two individually adjustable straps with metal pin buckle; color-coordinated footbed