The Seattle Seahawks 2025 Rivalries Collection Sideline Velocity Dri-FIT T-Shirt from Nike is inspired by the 137.6 decibels that destroy hopes, dreams and eardrums. A cross-dyed pattern accentuates the team details that send a message loud and clear. Lightweight polyester combined with sweat-wicking technology helps keep you cool and dry in this exclusive High Decibel Zone shirt.