A no-rethread harness and a smart self-adjusting base make this the thinking parent's premium carrier.
The MESA V2's base uses a load leg and a tightening system that helps dial in a snug fit, and the seat's easy-adjust harness means you never have to rethread straps as your baby grows. It clicks directly into UPPAbaby's Vista and Cruz strollers with no adapters, which is a big draw if you're already in that system. Some versions come in naturally flame-retardant fabrics without added chemicals, which appeals to a lot of parents. Skip it if you're not planning on an UPPAbaby stroller, and skip it if the premium price stretches your gear budget too thin.