
Klättermusen
Ultra-Light Tjalve 2.0 Mountain Backpack 10 Litres
The Klättermusen Tjalve 2.0 is a 10-litre ultra-light backpack intended for high-intensity activities and lightweight day use. It weighs 320 g and measures 21 cm high by 20 cm wide by 16 cm deep, with a drawcord flap main compartment, internal zip pocket, two external mesh pockets, and an elastic bungee compression system. The Retina ripstop fabric is woven from an ECONYL recycled polyamide blend and is paired with a 4-S sternum system, breathable mesh back panel, removable toggle waist belt, hydration compatibility, and reflective details.
- Material
- Retina® ripstop fabric woven from ECONYL® recycled polyamide blend thread
- Gender
- unisex
- Style
- sporty, technical, performance, lightweight, minimal
- Category
- Luggage & Bags > Backpacks
Specifications
Ultra-light 10 L technical mountain backpack made from abrasion-resistant ECONYL® recycled polyamide ripstop, with 4-S System® harness, hydration compatibility, bungee compression, and mesh pockets.
Retina® ripstop fabric; 4-S System® harness; 320 g weight; bungee compression system; drawcord flap closure with metallic hook; internal zip pocket; hydration compatible with straw slit; two external mesh pockets; breathable mesh back panel; removable toggle waist belt; reflective details.
- Material
- Retina® ripstop fabric woven from ECONYL® recycled polyamide blend thread
- Style
- sporty, technical, performance, lightweight, minimal
- Occasion
- hiking, workout, sports-event
- Gender
- unisex
- Age Group
- adult
- Condition
- new
- Dimensions
- 16x20x21 cm
- Category
- Luggage & Bags > Backpacks
Additional Attributes
- Retina® ripstop fabric
- ECONYL® recycled polyamide blend thread
- abrasion- and tear-resistant
- 4-S System® sternum pressure distribution
- compression system with elastic bungee cord and cord lock
- external bungee storage
- main compartment with drawcord flap closure
- signature red metallic hook
- small internal zip pocket
- hydration system compatible
- straw slit
- two external mesh pockets
- adjustable soft breathable knit straps
- removable toggle waist belt
- breathable mesh padded back panel
- Swedish flag signature label
- reflective triangular insert
- reflective logo
- designed for high-intensity activities
Product Insights
Ultra-Light Tjalve 2.0 Mountain Backpack 10 Litres 10 L capacity for essentials-only fast days 4-S System four-point sternum strap distributes pressure and reduces bounce Recommended load about 5 kg; best kept to 2–3 kg for running Highly water-resistant Retina ripstop, but not fully waterproof Small volume, fixed one-size fit, no frame and non-waterproof closure define its limits
Verified claims
- capacity
- 10 L capacity for essentials-only fast days
- weight
- 320 g featherweight construction
- fit
- One-size fixed short back panel, sized for roughly 40–49 cm back length
- comfort
- 4-S System four-point sternum strap distributes pressure and reduces bounce
- load_limit
- Recommended load about 5 kg; best kept to 2–3 kg for running
- waist_belt
- Removable toggle waist belt stabilises but does not transfer load
- ventilation
- 3D mesh back panel and soft mesh shoulder straps improve airflow
- weather_resistance
- Highly water-resistant Retina ripstop, but not fully waterproof
- material
- Retina ripstop from ECONYL recycled polyamide, bluesign approved and GRS certified, fluorocarbon-free
- durability
- Ripstop construction resists abrasion and stops tears from spreading
- care
- Hand wash at max 40°C with mild soap; no bleach, ironing, tumble drying or professional cleaning
- maintenance
- PU coating is the wear item; re-proof when water stops beading
- closure
- Drawcord flap closure with signature red metallic hook
- hydration
- Hydration system compatible with straw slit
- external_storage
- Elastic bungee compression plus two external mesh pockets
- internal_organization
- Small internal zip pocket for keys, cards or small valuables
- styling
- Olive khaki/sage body with black mesh, red hardware and Swedish flag label
- visibility
- Reflective triangular insert and reflective logo
- value
- Premium price buys low weight, recycled fabric and a refined harness, not load capacity
- use_cases
- Trail running, fast hiking and light high-intensity day outings
- tradeoffs
- Small volume, fixed one-size fit, no frame and non-waterproof closure define its limits
Product record
- Title
- Ultra-Light Tjalve 2.0 Mountain Backpack 10 Litres
- Brand
- Klättermusen
- Price
- 190 CAD
- Availability
- In stock
Buying Guide
0 comparisons · 2 sourcesUses
Running and High-Intensity Activities
This small, lightweight backpack is ideal for fast-paced activities like trail running where you only carry the essentials. It is designed to keep the pack stable, cool, and comfortable when your pace increases, thanks to features that distribute pressure and ensure breathability.[1]
Stashing essentials on fast-paced trail runs
This lightweight 10-litre daypack is built for trail running and other fast-paced activities where you carry only the essentials. Elastic external storage with a bungee cord lets you stash an extra layer within easy reach, while two external mesh pockets and a small inside zip pocket keep gear organized, and the drawcord flap closure with red metallic hook secures the main compartment.[1,2]
Carry water hands-free on the trail
This 10-litre mountain backpack is prepared for a hydration system, with a straw slit so you can drink while moving. A 4-point sternum strap helps keep the load from bouncing, and external mesh pockets offer quick stowing for small gear.[1,2]
Keeping essentials protected on fast trail days
This lightweight daypack is made for trail running and other fast-paced outings where you carry only the essentials. Its durable, highly abrasion- and tear-resistant Retina ripstop fabric is designed to provide dependable protection for your gear while the close-to-body fit keeps the pack stable as your pace rises.[1,2]
Image Analysis
3 images- 01

Product
Front-facing olive-green lightweight backpack with a triangular top flap, central buckle and strap, and a large black mesh front pocket.
- Overall geometryBackpack shown upright in a front-facing view with a rounded rectangular main body, slightly tapered toward the top, and a triangular top flap that folds over the front center.
1 region
x 0.18 · y 0.06 · w 0.64 · h 0.88 (high) - Top carry loopSmall fabric carry loop centered at the top of the backpack, formed from the same olive-green material as the main body.
1 region
x 0.45 · y 0.07 · w 0.10 · h 0.04 (high) - Top flap stitchingTriangular top flap with visible vertical stitch line down its center and reinforced stitching where it meets the front buckle assembly.
1 region
x 0.30 · y 0.08 · w 0.40 · h 0.18 (high) - Central buckle and strapVertical central strap with a red metal buckle near the top and a black plastic anchor where the strap meets the mesh pocket; strap shows red stitching detail.
1 region
x 0.42 · y 0.20 · w 0.16 · h 0.60 (high) - Front mesh pocketLarge black open-weave mesh pocket covering the lower front third of the pack, forming an external pouch with elasticized top edge.
1 region
x 0.20 · y 0.52 · w 0.60 · h 0.38 (high) - Side elastic cordThin elastic cord routed around the front upper body in a shallow V-shape, visible as a darker thin line against the fabric on both sides.
1 region
x 0.22 · y 0.28 · w 0.56 · h 0.18 (medium) - Lower base panelSlightly reinforced lower base panel in the same olive-green fabric with a stitched seam above it.
1 region
x 0.20 · y 0.82 · w 0.60 · h 0.10 (high) - Logo and model text on frontWhite printed brand and model text at the upper right front panel.
1 region
x 0.59 · y 0.32 · w 0.20 · h 0.12 (high) - Logo transcription“Klttermusen”Partial
1 region
x 0.61 · y 0.31 · w 0.18 · h 0.06 (medium) - Model and capacity transcription“TJALVE 2.0
10L”
1 region
x 0.63 · y 0.36 · w 0.12 · h 0.08 (high)
Other
Studio product shot on a uniform light gray background with soft shadow beneath the backpack; image cropped to include full front of the pack.
- Shot compositionCentered, front-on studio shot of the backpack occupying the central vertical axis of the image.
- Background and supportEven light gray seamless background with a subtle soft shadow directly under the pack indicating top-front lighting.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (low) - Image qualityHigh-resolution, well-lit image with visible fabric texture and clear edges; no visible hands or props.
Colors
olive green· main fabricblack· front mesh pocketred· buckle and small hardwaremedium grey· central strap- Overall geometryBackpack shown upright in a front-facing view with a rounded rectangular main body, slightly tapered toward the top, and a triangular top flap that folds over the front center.
- 02

Product
Rear view of a lightweight backpack showing dual padded shoulder straps, central padded back panel with diamond quilting, adjustable sternum/cord system, waist strap with quick-release buckle, and side mesh pockets.
- Overall viewRear-facing view of a compact backpack showing the back panel and both shoulder straps symmetrically arranged, including top carry loop.
1 region
x 0.12 · y 0.03 · w 0.76 · h 0.93 (high) - Shoulder strapsTwo tapered, padded shoulder straps with a textured dark-grey/black quilted fabric center and olive-brown fabric edges; each strap has sewn binding along the outer edge and small red stitched accent near upper attachment.
2 regions
x 0.18 · y 0.12 · w 0.28 · h 0.73 (high); x 0.54 · y 0.12 · w 0.28 · h 0.73 (high) - Back panel paddingCentral vertical back panel with diamond-quilted black mesh padding running between the shoulder straps from top to lower back area.
1 region
x 0.35 · y 0.12 · w 0.30 · h 0.68 (high) - Sternum cord systemThin cord-based sternum adjustment system running between the straps with a small plastic cord-lock positioned near the center of the chest area; cords are dark with lighter flecked pattern.
1 region
x 0.38 · y 0.66 · w 0.24 · h 0.20 (high) - Waist strap and buckleOlive-brown webbing waist strap with a central black quick-release plastic buckle and adjustable slider on one side; strap runs across the lower image edge.
1 region
x 0.16 · y 0.82 · w 0.68 · h 0.13 (high) - Side mesh pocketsBlack elastic mesh side pockets visible on both sides near the lower half of the pack, attached to the olive outer fabric.
2 regions
x 0.04 · y 0.52 · w 0.16 · h 0.30 (medium); x 0.80 · y 0.52 · w 0.16 · h 0.30 (medium) - Top carry loopSmall fabric carry loop at the top center where the straps meet, made from the same olive-brown fabric as the pack edges.
1 region
x 0.42 · y 0.03 · w 0.16 · h 0.10 (high) - Trim and bindingContrasting stitched trim in a golden-olive color runs along the outer edges of the straps and some seams, visible as a narrow border.
1 region
x 0.17 · y 0.10 · w 0.66 · h 0.74 (high) - Small red hardware accentsSmall red stitched or fabric accents appear near strap anchor points and near side panel attachments.
2 regions
x 0.12 · y 0.44 · w 0.08 · h 0.08 (medium); x 0.80 · y 0.44 · w 0.06 · h 0.08 (medium)
Other
Studio product shot on a light grey background with soft even lighting, minimal shadow beneath the pack, and the pack centered vertically and horizontally within the frame.
- Shot compositionProduct photographed upright and centered, filling most of the frame with even space around edges.
- Background and lightingUniform light grey background with soft diffuse lighting and a faint shadow under the pack indicating light from above.
- Image qualityHigh resolution with sharp detail on fabrics and stitching; no visible text or labels legible on the product surface.
Colors
olive brown· main fabric bodyblack· back panel and strap centersgolden olive· trim and bindingsignal red· small accentsdark olive· webbing and straps- Overall viewRear-facing view of a compact backpack showing the back panel and both shoulder straps symmetrically arranged, including top carry loop.
- 03

Product
Close-up of the backpack mouth and interior showing a drawcord closure, internal zip pocket, fabric label, and woven inner lining with contrast trim.
- Top opening with drawcordCircular top opening finished with a gathered hem and a dual-core braided drawcord threaded through a cord lock; drawcord hangs into the bag interior.
1 region
x 0.18 · y 0.00 · w 0.64 · h 0.42 (high) - Inner lining materialLightweight ripstop-style fabric lining visible inside the pack, with a subtle square ripstop texture.
1 region
x 0.12 · y 0.04 · w 0.76 · h 0.46 (high) - Internal zip pocketHorizontal zippered pocket along the interior wall with a visible red zipper tape and zipper pull.
1 region
x 0.12 · y 0.36 · w 0.76 · h 0.18 (high) - Fabric brand labelRectangular black fabric label sewn onto the interior below the zip pocket, containing blue printed graphics and text.
1 region
x 0.28 · y 0.46 · w 0.28 · h 0.16 (high) - Exterior mouth trimGlossy red/maroon binding around the top hem creating a contrast edge between interior and exterior fabrics.
1 region
x 0.12 · y 0.06 · w 0.76 · h 0.10 (high) - External body fabric visibleOlive/khaki outer fabric with a faint ripstop grid visible at the outer wall below the opening.
1 region
x 0.06 · y 0.42 · w 0.88 · h 0.56 (high) - Thin webbing loopTan woven webbing loop attached near the top edge on the exterior, visible at the left center of the frame.
1 region
x 0.06 · y 0.54 · w 0.18 · h 0.18 (high) - Internal printed lines on labelSmall lines of light-colored printed text present on the black interior label beneath the logo; text is too small to read at this resolution.Partial
1 region
x 0.28 · y 0.52 · w 0.28 · h 0.10 (medium) - Drawcord pattern closeupBraided cord shows a black base with red and white flecked pattern and a small knot near its end.
1 region
x 0.38 · y 0.18 · w 0.24 · h 0.40 (high) - Partial printed exterior markingPartial white printed graphic and alphanumeric characters visible on the exterior wall near the lower right quadrant; only fragments are visible.Partial
1 region
x 0.46 · y 0.66 · w 0.40 · h 0.32 (medium) - Label blue text transcription“klatternusen”Partial
1 region
x 0.30 · y 0.46 · w 0.24 · h 0.10 (medium)
Other
Studio-style detail shot with neutral background and even lighting, showing the interior mouth and upper exterior of the pack from a near-top-down perspective.
- Shot compositionClose crop framing the top portion of the pack from a slightly tilted top-down viewpoint, concentrating on the opening and interior pocket.
- BackgroundNeutral light background fills the image edges and separates the bag from surroundings.
- Lighting and shadowEven studio lighting with soft shadows inside the bag and slight specular highlights on the glossy top trim.
Colors
olive khaki· outer body fabricmaroon· top hem bindingdeep red· interior pocket fabricblack with red and white flecks· drawcordlight olive· interior liningblack· fabric labelred· zipper tapetan· webbing loop- Top opening with drawcordCircular top opening finished with a gathered hem and a dual-core braided drawcord threaded through a cord lock; drawcord hangs into the bag interior.