The FirstLight+ backpacks are designed fortraveling outdoor photographers. Built for extended days of travel, the pack is carry-on compatible,making it easier to get to your destination. The FirstLight’s contoured, 11-point adjustable torso harness fits most men and women. The packs also offer ballistic nylon bottom panels for durability, ample space for long lenses and expandable personal capacity with a dedicated laptop pocket. KEY FEATURES: Expandable front pocket Removable (Floating) top pocket Re-designed organization pockets Improved top and side pockets for easier access to small items WHAT FITS in a FirstLight 46L+: Holds 2 gripped DSLRs with 6–8 standard zoom lenses and1–2 flashes. Maximum lens size: 600mm f/4 lens detached or a500mm f/4 attached. ADDITIONAL FEATURES: The FirstLight+ features a contoured, that fits most everyone. The pack also offers ballistic nylon bottoms for durability and has long lens capacity with extra room for your laptop and personal gear. Better weight distribution for a more comfortable load enables easier all day use on the trail Expandable front stuff pocket for travel or trail essentials: extra layers, alight jacket, headlamp, gloves, chargers Padded sleeve for tablet or laptop inside front pocket (fits most 16”laptops) Adjustable high-density closed-cell foam dividers for large telephotolenses, traditional photo gear or personal items Includes tripod/monopod mounting system on front or side Large, zippered pocket on side for accessories or personal gear Top zippered pocket for quick access to essentials 2 large water bottle or accessory pockets on both sides with drains andcinch cord for security Ballistic nylon bottom panel for durability on rough surfaces Shaped aluminum torso stay for additional support Grab handles on three sides make it easy to hoist into an overhead bin, car,or trunk Interior mesh pockets for storing filters, batteries, cables, etc. Side compression straps with locking SR buckles for additional lash points Shoulder straps and waist belt wrap to front for compact storage inoverhead compartment Whistle integrated into sternum strap buckle Included rain cover protects small to medium tripods secured to the frontof the pack Compatible with Think Tank modular pouches and other filter cases SPECIFICATIONS: Internal Dimensions: 34 x 51 x 18.5 cm External Dimensions: 35 x 55 x 22.9 cm Volume: 46 – 50 Liters (Expansion) Weight: 2.7kg MATERIALS: Exterior: For superior water resistance, all exterior fabric has a durable water-repellant coating the underside of the fabric has a polyurethane coating. It also has the highest quality abrasion-resistant YKK® RC-Fuse zippers, 420D Velocitynylon, 420D high-density nylon, 420D R/S Nylon, 1680D ballistic nylon, 840Dmatte TPU Dynatonic nylon, nylon webbing, and 3-ply bonded nylon thread. Interior: 210D silver-toned nylon lining, Hexa mesh pockets, Nylex nylon, high-density closed-cell foam, PE board reinforcement, 3-ply bonded nylon thread.