This product line features lightweight ROBIC® Ripstop 420D material with a distinctive grid pattern, boasting a minimalist, urban-focused design.
This is the V4 version—launched in October 2026—which incorporates our latest improvements developed over 6 years of evolution.
CT21 V4 backpack is an excellent choice for both short trips and daily use across various environments. It offers sufficient capacity to meet the carrying needs of taller individuals while also accommodating a 16-inch laptop for work.
- Shell fabric: ROBIC® Nylon 420D Ripstop.
- Lining: ROBIC® Nylon 210D Ripstop.
- Shoulder pad foam: PU Sponge.
- Back panel pad foam: EVA + Mesh.
- Underside material of the straps: Nylon 420D.
- Bottom pad foam: EVA.
- Frame Sheet: PE.
- Zippers: YKK RCF CHAIN P16R DYED #10RC, #8RC and #5RC.
- Gloves-friendly pullers: Paracord.
- Buckles: Duraflex UTX.
- Overall dimensions: 47,5 x 34 x18,5 cm/18,7 x 13,4 x 7,3 in
- Fits up to a 16" laptop.
- Total Capacity: 27L.
- Weight: 1350 grams/2,98 lbs
- Built from high strength, water-repellant:
- Shell fabric: ROBIC® Nylon 420D Ripstop.
- Lining: ROBIC® Nylon 210D Ripstop.
External:
- 2 x External water bottle holders that can be expanded and collapsed with a zipper.
- 4 x webbing loops in front to integrate with your jackets, sleeping bags, helmets, etc.
- ID loop panel 7,5 x 5 cm/3 x 2 in with CTactical logo.
- External zippered compartment to quickly access keys snacks and other small items.
- The handle is placed on top of the backpack.
- Quick Access Pocket.
- Wide (7cm) and thick (1.5cm) straps.
- Nylon 420D Friendly-shirt material underneath straps.
- The straps are attached with Molle Webbing.
- Detachable chest strap with a buckle featuring an integrated whistle (included).
- 2 x attachment points at the ends of the shoulder straps for a waist belt or other support accessories (1-inch loops).
- TSA-friendly laptop compartment separate from the main compartment, accessible from the side (the zipper is located on the left side when wearing the backpack).
- The bottom is stabilized with anti-shock pads and 4 extensible webbing straps.
Internal:
- High-vision interior, making it easy to identify accessories inside the backpack, even in low light conditions.
- The main compartment can be opens flat, up to 180 degrees.
- Zippered hidden compartment, allowing quick items access.
- Zippered and extensible (visible) mesh pockets in the main compartment.
- 2 x water bottle holder compartments, stretchy material.
- The secondary laptop compartment is located inside the main compartment and can accommodate an iPad or A4 documents; it features a raised design to prevent direct contact with the floor.
- 4 webbing straps (2 above, 2 below) can integrate with CT Admin Panel and Molle Panel.
Please refer to our shipping policy at the following link:
ROBIC® Ripstop Nylon 420D - High tenacity nylon that's strong yet as light as air.
The next-generation mesh back panel system not only maximizes carrying comfort and ensures excellent breathability but also allows the backpack to be secured to a suitcase handle, making it easy to move through airports and train stations.
Its urban-focused design features two integrated external pockets for water bottles or umbrellas—collapsible via zippers—allowing for quick access during your busy city schedule.
The laptop compartment has been redesigned for side access and is completely separate from the main compartment.
The internal organization within the main compartment remains unchanged: one flat pocket, one expandable mesh pocket, and two elasticized pockets for water bottles, accessories, or an umbrella.
The CT21 V4 is a standard-sized backpack designed to meet all needs across various environments.