Transpack TRV Pro: Save your energy for the slopes! The TRV Pro Ski Boot Bag is for the world traveler and snowsports enthusiast alike! Transpack Ski Boot Backpacks feature the patented Isosceles Storage System. Two side pockets hold boots surrounding a large central compartment that accommodates a helmet and gear. Weight and bulk from boots are diverted to the sides and away from your back creating a natural suspension that is ergonomic and comfortable. Grommet air/water holes in side pockets provide ventilation and drainage for moisture and melting snow from boots. With 3300 cubic inches of storage this ski boot bag will carry your gear anywear!