Compressport Unisex's Free Belt Pro UTMB 2025 L1 - RoseateErgonomic design, which adapts to any bodyshape and sits snugly without bouncing: pro tried and tested! Lightness and comfort, carry all required equipment and nutrition for up to 6h of effort with total freedom of movement in the upper body Easy access, thanks to the single, wrap around mesh compartment which stretches to adapt its capacity Description Beware, the rucksack era may be over! Developed with and for our athletes, the Freebelt Pro trail