Polyester fiber material can withstand abrasions and also repel and wick away moisture and liquid. And 3-layer design would offer large compartments to take your skates, protection, helmet even your water bottle, and also could keep the skates away from other items or accessories and avoid the abrasive to the skates or release the smell. The breathable lattice could settle your concern about shoes being smothered for a long time and keep the skates dry.