Crazy Horse leather meets aerospace-grade FKM rubber. You get the rugged, vintage look of leather on top with the sweat-resistant toughness of FKM underneath. Good for the gym, a hike, or a casual day out. Just keep it out of the ocean — the leather on top will thank you.

• Crazy Horse Full Grain Leather: wax-treated, naturally distressed, ages with character
• FKM Fluoroelastomer Rubber Core: the same material used in dive equipment and NASA O-rings. Sweat-resistant, flexible, and built to last
• Quick Release: tool-free strap changes in seconds
• 316L Stainless Steel Buckle & Spring Bars: surgical-grade steel, used in medical implants and professional dive watches. Corrosion-resistant