Hummel Shoes (Trainers) SLIMMER STADIL HIGH JR. Available in girl's sizes. by hummel. Hummel are always coming up with new designs! The Slimmer Stadil High Jr is the perfect combination of comfort and style. Another great feature? A fabric lining and a rubber sole. Do you dare try out this pair of trainers that defy the odds? Perfect for any occasion and in every season! Upper material: suede Inner material: synthetic Heel shape: flat Shoe width: normal