These City Threads swim jammers are made from a stretchy, quick-drying UPF 50+ knit. UPF 50+ sun protection with a snug, supportive racing-style fit.
They suit swim team, lessons, and active water play, and the soft, breathable fabric holds up wash after wash. City Threads cuts every piece for active boys who dislike stiff or scratchy clothes.
City Threads has sewn children’s apparel in San Diego, California for years, focused on soft, skin-friendly fabrics made entirely in the USA.









