The Apple Watch Ultra was designed for extreme outdoor adventures and Nomad has bands built to match this durability that are much more affordable than band options from Apple.
Nomad Sport Band Compatible with Apple Watch Strap Series 8, 7, 6, SE & All Previous Models, Waterproof Watch Strap - 49/45/44/42mm (Coastal Rock) : Cell Phones & Accessories
Best rugged bands for Apple Watch Ultra
NOMAD® Rugged Band - 45mm
Save 25% on Nomad's Ultra Orange iPhone 14 Case and Apple Watch Band - CNET
Nomad - Rugged Strap - Silicone strap Apple Watch - Band-Band
Nomad Black Rugged Band - For Apple Watch Series 8 41mm
NOMAD Rugged Smartwatch Band
Nomad Sport Band for Apple Watch® 42, 44, 45mm (Series 1-8) and Apple Watch Ultra® Black NM1Am10000 - Best Buy
Nomad Apple Watch Ultra bands: Waterproof bands a rugged as the watch
NOMAD Rugged Band Ultra Orange for Apple Watch 49mm/45mm/44mm/42mm – ONE2WORLD
Nomad Sport Band - 45/49mm - Coastal Rock