Gregory Raincover 30L-50L Obsidian Black Medium. Specifications for Gregory 30L-50 Raincover: Manufacturer: Gregory Size: Medium Weight: 0.2 lb Pack Application: Everyday Carry Pack Volume: 30 - 50 liters Fabric/Material: 100percent Polyester Height: 5 in Width: 2 in Length: 5 in Capacity: 30 - 50 liters Gender: Unisex Features of Gregory 30L-50 Raincover Seam-taped construction provides a watertight barrier for your pack while the attachments add up to a secure pack protection solution. Constructed from a 40percent recycled 70D polyester ripstop material these raincovers combine durability with a reduced carbon footprint. Embrace the elements and be prepared with a trail accessory that isn't all business. The raincover collection is about matching performance with good vibes. Package Contents: Gregory 30L-50 Raincover Gregory 141348-0413: Raincover 30L-50L Obsidian Black Medium