Velocity is a Shopify Online Store 2.0 theme engineered for high-AOV stores that need to convert on mobile. Ships with a sticky mobile add-to-cart bar, built-in upsell and bundle blocks, trust-badge and review sections, and a product template tuned for one-thumb buying. Includes 6 pre-built section presets, a homepage layout, and a step-by-step install guide — no theme code editing required. Requires Shopify (any paid plan, OS 2.0 compatible).