Columbia Infant and Toddler Size Chart Columbia Little Kids and Big Kids Size Chart The fish might be smart, but Columbia's most popular fishing shirt is smarter. Constructed of cotton poplin that's garment washed for lived-in comfort. Hook and loop closed fly box pockets at the chest. Tool holder and utility loop. Rod holder loop on the left chest. Mesh-lined cape vents at the back shoulder keep you cool and comfortable. Hook and loop at the collar tip lets you turn the collar up to keep the sun off your neck. 100% cotton shell. 100% polyester mesh. Machine wash cold, tumble dry low. Imported. Measurements: Length: 20 in Product measurements were taken using size SM (8 Big Kids). Please note that measurements may vary by size.