August Berg watches comes in high quality Perlon, Milanese Mesh, Steel Link, or Italian leather. Perlon strap – The attractiveness of this uniquely designed, high quality Perlon strap is not only its light-weight, flexibility, durability or breathability, but also its nubuck inner lining and its hidden strap hole which is invisible from the front of the strap.  Leather strap – High-quality genuine Italian leather strap perfected with the “AB-infinity” logo engraved buckle, made from surgery-grade stainless steel (316) and nubuck inner lining.Milanese Mesh – High-end workmanship of the surgical-grade stainless steel (316L) Milanese strap perfectly compliments the August Berg watch.Steel Link - Made of high quality, surgical-grade stainless steel (316L) are an excellent choice for watch bands due to their durability, corrosion resistance, and hypoallergenic properties. Surgical-grade stainless steel (316L) is a high-quality material that is commonly used in medical and surgical applications, which means it is safe for prolonged contact with human skin.