[Compatible Models] The replacement watch band fit for Fenix 8 51mm/7X/6X/5X, compatible with 7X Pro/6X Pro/5X Plus/3/3HR, Descent MK1/Descent MK 2i/Descent MK 2, D2 Delta PX/D2 Charlie, Tactix Delta/Tactix 7, Enduro/Enduro2/Enduro3. Please verify if your original watch band features the '26' marking to ensure compatibility with your watch model before purchase. [Premium Silicone Materials] Engineered with upgraded soft silicone, the 26mm silicone sport band boasts triple the softness of conventional rubber materials. Designed to withstand water, sweat, and tearing while remaining odorless and fade-resistant, it delivers 24/7 comfort for sensitive skin types. [Secure Fit] Featuring 316L stainless steel buckle and a dual-ring buckle with an inner bulge that locks into strap holes for anti-slip stability. The sturdy metal adapter and dual inner locking rings provide dual security, keeping the band firmly attached during intense workouts, swimming, or outdoor adventures—so you never worry about your watch slipping off. [Flexible & Adjustable Size] This silicone watch band design for Fenix 5X/Fenix 6X/Fenix 7X/Fenix 8 51mm accommodates 7.3 inches-8.26 inches (185mm-210mm) wrists. Please measure your wrist and make sure the size before you purchase. [Exceptional Customer Support] Thank you for selecting our replacement for fenix 5X watch bands. If you have inquiries about compatibility with the bands or require assistance, please contact our dedicated support team, and we offer a prompt response within 24 hours to resolve your issue.