Why the ultralight 45L frameless pack is built for fast, efficient travel Description An ultra-lightweight frameless backpack for long distance hikes and backcountry treks. The backpack is a simple design and with a volume of 45 litres. Entrance to the main body compartment is on the RollTop, it's made for quick access and easy volume adjustment. A feature of the backpack is the removable straps of the side version of the rolltop, the central strap and the load-lifters straps. That's maybe customise the backpack just for you. The backpack has frameless design. For the forming the frame of the biggie pack we recommend using a sleeping mat along the inside of the back of the backpack. In contrast of the ELEMENTUM, the biggie pack hasn’t got a front compartment made of elastic material, but it has a large front pocket made of Ecopak fabric. There are some holes for water drainage in the bottom part of Pack. The lacing system of the front pocket can be used for drying clothes and gear during the transitions or for additional fastening of equipment at the trail. The backpack has 7 pockets: a central large front pocket, two voluminous pockets on the backpack belt, two side pockets and two updated pockets on the straps. New mesh pockets on the shoulders straps: increased volume, now the pocket is fixed with a tightening system, and the pocket can also be closed/opened with one hand. The backpack has a removable load-lifters system on the shoulder straps and in the upper part of the backpack. Lacing is provided for attaching additional gear on the sides and in the lower part of the backpack. The weight of the backpack is approximately 600-680g, and 500-580g without removable straps, shock-cords and cords. Main furniture: fastex, buckles and webbing straps - 15 mm, unlike the Biggie Pack 65L where the furniture and straps are 20mm. Materials The backpack can be built from: Ecopak™ EPX200 - 100% recycled polyester components, C0 DWR (no fluorocarbons), 70d Ripstop backing. Compared to traditional pack fabric with 50d plain weave backing, the 70d Ripstop has better stitch holding and superior strength. UltraGrid™ is recycled nylon grid fabric with Ultra™ ripstop. Woven with 210d recycled nylon yarn from pre-consumer industrial waste. Exceptional tear-strength and visual impact. Has a non-toxic C0 DWR coating, free from toxic PFCs and finished with a waterproof 1500mm PU backing. The main material (fabric) of the backpack is 100% waterproof, but please, pay attention that the seams of the backpack are not sealed. Features minimalistic simple design frameless design loops around the perimeter of the backpack for individual lacing and fixing extra equipment loops on a back of backpack for attaching a sleeping pad along the back light weight removable, adjustable chest strap removable rolltop webbing straps removable load-lifters webbing straps compatible with the hydration system 7 additional pockets volume side pockets that hold 1.5-2 litres plastic water bottles adjustable volume of a RollTop backpack there are water drain holes in the front and the side pockets inside waist side pockets have carabiners for fixing useful little things Specs Material: Ecopak™ EPX200 / UltraGrid™, 3d airmesh, WJ 15mm fastening, YKK zipper Weight: 680 grams (590g without zip ties and elastic cords) Complete set: Biggie Pack 45 L, chest strap, elastic shock-cord Volume Full volume: 45.0L Internal: 33.0L Center pocket: 5.0L Side pockets: 2 x 2.0L Stretch pockets on shoulder straps: 2 x 0.5L Hip belt pockets with zippers: 2 x 1.0L Load Capacity Up to 12 kg Pack Size: It’s depending on length of a body (torso length). This is the distance between the top of the shoulder straps and the bottom of the backpack. XS - 40 cm S/M - 47cm M/L - 53cm Lightweight design for long miles The Liteway Biggie 45L Pack is designed for hikers and travelers who want to move fast without carrying unnecessary weight. As an ultralight 45L frameless pack, it keeps the build simple while still offering enough space for essential gear on overnight trips, thru-hikes, and minimalist adventures. The frameless structure helps reduce pack weight and encourages smart packing, making it a strong choice for users who value efficiency. Its clean layout supports easy organization, while the streamlined profile helps the pack ride close to the body for better balance on the trail. Comfortable carry with practical space Although it is built to stay light, the Liteway Biggie 45L Pack still delivers dependable comfort for everyday backcountry use. The shoulder carry is designed to work well with a carefully packed load, helping reduce strain during long days of walking. With 45 liters of capacity, it gives you room for clothing, food, shelter, and other essentials without feeling bulky. This makes it a versatile option for lightweight backpacking, weekend trekking, and travel where pack size matters. The design supports a natural packing system, so you can carry only what you need and keep your kit organized. Simple, durable, and ready for the trail The Liteway Biggie 45L Pack focuses on the features that matter most: low weight, practical volume, and reliable performance. Its frameless construction makes it ideal for hikers who already know how to pack efficiently and want a pack that matches that style. The design is straightforward, which helps reduce bulk and keeps the pack easy to use on the move. For users looking for an ultralight 45L frameless pack that supports a minimalist approach, this model offers a strong balance of capacity and simplicity. It is a smart choice for fast-paced outdoor travel where every ounce counts.