The Columbia Mens Backcast Convertible Pant is a versatile, lightweight, quick drying pant. Zip off the legs to convert the pants into 10 inseam shorts when the day heats up. The outer fabric provies UPF 50 protection while an inner mesh brief assures comfort. 100% textured nylon fabric. Partial elastic at waist for comfort. Zip off legs convert the pants to 10 inseam shorts for versatility. Interior mesh brief. Quick drying fabric. Omni Shade UPF 50 sun protection. Relaxed fit for full range of motion. Inseam 30.