The Bolt 18 Litre backpack is a medium sized rucksack great for day trips and walks. Made from durable polyester Rip-stop fabric and with reflective piping for enhanced visibility, this backpack is both hard wearing and practical. Multiple pockets allow for organised packing whilst a 2litre pocket for a hydration pack makes this rucksack great for active use as well as an everyday backpack. Multiple pockets ? features an external security pocket, side mesh bottle pockets and an internal 2litre pocket for a hydration bladder. Active use ? features a front elasticated cord for holding helmets or other light goods, a chest strap providing additional load support and a hole for hydration pack hose, making this great for active use Compression straps ? adjustable straps that pull the bag tight to reduce volume and to minimise movement of items within.