Swift is supremely supple leather and has a smooth natural micro grain with a semi-matte finish. This luxurious strap by KRST is made of chromed tanned calfskin from Pomari Tanerry in Italy and features a vibrant blue color with a beautiful light sheen. You’ll love how supple and pliable it feels and how it holds your valuable timepiece both reliably and comfortably. Detail Thickness: 2.3-2.5mm Lining: Hypoallergic Black Zermatt* leather Stitching: Micro hand-stitched with Meisi Superfine linen/polyester thread Edge: hand-painted with top-quality Italian edge paint Length: 110/65mm for 140mm - 160mm wrist (5.5 #34; - 6.2 #34;) → Short Size 115/75mm for 160mm - 180mm wrist (6.2 #34; - 7.0 #34;) → Regular Size 125/80mm for 180mm - 200mm wrist (7.0 #34; - 7.8 #34;) → Large Size 130/85mm for 200mm - 220mm wrist (7.8 #34; - 8.6 #34;) → Extra Large Size *The backside of the strap is lined with hypoallergic Black Zermatt, (the same lining leather as some of the most prestigious watch brands use) to protect your delicate skin and enhance your comfort level. For more update follow me on Instagram: krst_id