Very Good Youth JAMM Ice Hockey Pant, Model 301: plastic and foam pads, belt,  comfortable, great beginners pant, light and not restrictive, all around protection, 320 denier nylon. 
Sizes:
Youth 2XS (80): for players height around 2'10", or waist around 20".
Youth XS (90): for players height around 2'11" to 3', or waist around 21".
Youth S (100): for players height around 3'1" to 3'5", or waist around 22".
Youth M (110): for players height around 3'6" to 3'8", or waist around 23".
Youth L (120): for players height around 3'9" to 4'1", or waist around 24".

Number in ( ) is the European size.