kelty backpack models Redwing Traveler Backpack, Travel Pack with Wide U Zip Opening, Signature Wing Pockets, 30-50L Capacity (30L Black) : Sports & Outdoors The Glendale 105 is a versatile compression sack designed for longer adventures Kelty | Outskirt 50 Backpack,

There are two main reasons for my theory on this

ADJUST THE CHEST STRAP Most hiking backpacks are equipped with a chest strap (called the sternum strap) that connects the two shoulder straps

Calvin Klein Men Emblem Flap Backpack Black Polyurethane Size W29 by Calvin Klein Original price 151,47 - Original price 151,47 Original price 151,47 151,47 - 151,47 Current price 151,47 Brand: Calvin Klein Gender: Men Type: Bags Made in: ID Season: Fall/Winter PRODUCT DETAIL Color: black Fastening: with zip Pockets: inside pockets Size (cm): W29 x H42 x L11 (cm) Article code: EMBLEM HW FLAP BACKPACK COMPOSITION AND MATERIAL Composition: -100% polyurethane

I use it with a medium RCI, which is what NYA-EVO calls the internal camera units

Kids also love that the backpack is designed like a bear stuffy