Watch CNBC's full interview with Warby Parker co-CEO Neil Blumenthal

Warby Parker co-founder and co-CEO Neil Blumenthal joins CNBC's 'Squawk Box' to discuss the strength of the U.S. consumer. Blumenthal also breaks down the eyewear company's outlook amid concerns about a slowdown in consumer spending. "We're still seeing traffic impaired relative to 2019 levels, though we're seeing consumers get back into routines," Blumenthal tells CNBC.