15L Cycling Rucksack Lightweight Bike Backpack Running Daypack for Fitness Hiking Climbing Camping Skiing Biking Trekking

[Water Resistant] excellent waterproof and tear-resistant nylon fabric, idea for the max support and mini burden.[Totally Practicality] 15L, 50 x 10 x 24CM. Enough pockets and pouches that can store items your various essentials. Bladder compartment and an interior hook that will hold the bladder (no water bladder included). Helmet buckle and organizer pocket, Whistle design on the chest strap make safer riding.[Reflective Strip Design] The reflective strip on the backpack is used to ensure quiet and safe cycling.[Breathable & soft] Fully adjustable shoulder and chest straps to get the perfect fit, ideal for short trips and daily commutes to work.[Multifunctional Backpack] Perfect for hiking, occasional travel, camping, climbing, trekking, day-to-day use, pack beach accessories, suitcase alternative, storing diapers, college, camera compartment, camping and more. Perfect for everyday use. High quality materials and excellent craftsmanship ensure long-lasting durability.