Pleasant on the skin and zip-convert to shorts: Long trousers and shorts rolled into one–a brilliant solution for cool summer mornings. And when it gets hot later on in the day, simply zip off the legs above the knee–sorted. The very light Supplex nylon fabric has a 40+ UV protection factor to guard against sunburn. The fabric is also very breathable and fast drying. This makes the Kid's Safari Zip Off Pants Age 14+ a great choice for warm days as well.