What Our Gearhead(R) Experts Are Saying:"This pack nails versatility. The All Season fabric shrugs off rain and abrasion, while the hydration sleeve and tool organization make it just as capable on a hike as it is around town. It's a durable, all-conditions backpack that feels premium but built to get dirty."From trailhead starts to all-weather commutes, the Herschel All Season Backpack is designed to handle whatever the day brings. As part of the Herschel Outdoor Equipment(TM) collection, this pack is engineered from durable All Season double-ripstop fabric made entirely from recycled polyester-offering water-repellent, wind-resistant protection for every adventure. A built-in hydration system keeps water close at hand, while an internal tool organization layout helps streamline gear storage for everything from backcountry essentials to daily tech. The ergonomic fit features an air-channel EVA back panel, removable waist strap, and sternum strap with an integrated 105 dB rescue whistle for added security. Finished with Herschel's reflective logo details and signature diamond lash tab, the All Season Backpack is ready for rugged use, rain or shine.