VentaPak Lightweight Ventilation Backpack Spacer - Large External Mesh Frame for Hiking & Biking Backpacks - Ventilation for Airflow Sweat Reducing

: Say goodbye to the dreaded sweaty back with Ventapak! Our innovative air flow backpack spacer creates a true separation between your hiking backpack and your back, ensuring optimal airflow and breathability. Enjoy enhanced cooling and comfort on all your adventures, making every journey fresh and enjoyable. : Two sizes Medium/Smaller (Torso under 5.6 / 168cm) & Large (Torso 5.6 / 168 cm and above). We have continuously improved VENTAPAK to be durable and it comes with a - . Our mesh backpack ventilation frame is made with a reinforced aluminum structure and high-quality webbing and components by a leading backpack factory. & : Get the ultimate in support and durability with our mesh backpack ventilation frame made with a reinforced aluminum structure. This ensures that your backpack ventilation spacer holds up to whatever adventure you have taking your small hiking backpack or big biking backpack on. Enjoy superb comfort and extended use every time you go outside. : Our external backpack frame ensures reduced back strain by shifting weight distribution from pressing straight down to a more horizontal and ergonomic position. This backpack ultralight ventilation frame leverages the strongest part of your back through its innovative frame and mesh design, making it ideal for commuter backpacks and enhancing your daily travel comfort. : This lightweight breathable backpack frame ensures your backpack straps rest on the frame first, then approach your shoulders more horizontally. This gentle pull improves spine curvature and posture, making your backpack feel lighter. It prevents shoulders from rounding forward and supports better back health, enhancing your overall posture.