The Zephyr Vest trail running backpack is a trail running pack specially designed by the brand Camelbak for all ultra-distance runners. Indeed, the Zephyr™ Vest trail running backpack is a vest designed with body mapping for optimal ventilation and performance. Lightweight and equipped with maximum safety features, the Zephyr™ Vest includes a secure phone pocket, an integrated safety whistle, and a trekking pole attachment point. Additionally, hydration is immediate thanks to two Quick Stow™ flasks located at the front of your vest for easy access. A true gem, very practical for running enthusiasts. Artificial knit mesh: lightweight and breathable material made using body mapping technology to ventilate the areas of the body that generate the most heat Two adjustable sternum straps: offers a range of adjustments for a customized fit and increased stability Snack and gear storage: multiple storage options, easily accessible Secure phone pocket: keep essential items safe and easily accessible Reflectivity: for low-light safety Expandable overflow pouch: quickly store an extra layer Trekking pole attachment: easily attach and remove poles when needed Polygiene® Anti-Microbial Safety whistle: be heard in case of emergency Compatible with reservoirs, not included Dual exit tube routing Made with ultra-lightweight materials BPA/BPS/BPF free Number of pockets: 8 Dimensions: 39 x 27 x 15 cm Volume: 11 L Weight: 190 g Camelbak Zephyr Vest - Trail running backpack - Women's