Monowear Leather deployant bands are made from Genuine Leather. The adaptors are made from stainless steel and color matched to most Apple Watch finishes.
38|40 mm
Fits: 135mm - 195mm wrists
42|44mm
Fits: 152.5mm - 215mm wrists
Check out Cult of Mac's review of Monowear’s similar Deployant Reserved Leather Apple Watch Band here.