Lego preston trousers juniors the lego preston trousers are ideal for wearing whilst on the slopes and provide a protective layer against cold weather and conditions the trousers come complete with braces to ensure a secure fit the trousers are constructed using 8000mm coated material to ensure they are 1005 waterproof and windproof to give maximum protection when outdoors the ski trousers also feature 3m scotchlite reflectors to ensure you remain visible whilst on the slopes ski p