patagonia black hole wheeled duffel 40 liters The Patagonia Black Hole Wheeled Duffel 40L is a travel bag approved for carry Patagonia Black Hole Wheeled Duffel

The stretchiness really helps in that respect. Full Specifications XS to XL / waterproof and windproof / hydrostatic head rating: 14000mm / fully seam sealed / 3-layer construction / shell fabric: 100% polyester / PFC-free DWR / adjustable hood and hem / articulated sleeves / two zippered hand pockets / full length front zip / elastic cuffs / drawstring at seam / bluesign approved main material

Furthermore, while this bag has held up on the Amazon review test, BagSmart is still not a premium brand and therefore quality and replacements are questionable

It's even waterproof

The pack body starts at $215 dollars, and is more expensive depending on the material you choose

It also has a couple adjustable straps on the front to hold things like a yoga mat or an extra layer