THE WORLD&';S LARGEST POSSIBLE CARRY-ON, READY FOR ANYTHING The 45L GR3A(R) is the largest possible carry-on. Traveling hands-free is freedom, and nobody brings a roll bag when hiking. Never check a bag and never drag anything behind you ever again with GR3. Now GR3 meets lightweight, ultra-waterproof X-PAC. Designed for high-performance racing boats, X-PAC is dependable in the worst conditions. Proudly overbuilt and backed by our Scars Lifetime Guarantee. Features Exterior built out of X-PACA(R) VX21: A tough, lightweight, waterproof material Opens flat, making it easier to pack and organize Separate Bombproof Laptop Compartment next to your back is extra reinforced to securely take a laptop into combat and fits a 17"+ laptop Padded top handle and 2 padded side handles, perfect for carrying through the airport, pulling out of the overhead bin, or camping and hiking Extra Padded Straps to carry heavier loads more comfortably 2 large mesh zippered interior pockets and 1 small go-to zippered pocket, plus an external slant pocket for quick access to small items. 2 Compression Straps on each side allow you to pack the bag full, then cinch the straps down YKK AquaGuard zippers to keep out rain, dirt, and sand Weatherproof: X-PAC VX21 is our most waterproof material, paired with some of the best zippers on the market TSA Carry-On Compliant Velcro interior back panel is perfect for use with VELCRO accessories or customize with your patches Small hidden zipper pocket underneath the handle Scars Lifetime Guarantee: The best on the market SPECS + MATERIALS Primary Material: X-PAC VX21 Dimensions: (35L) 20"H x 12.8"W x 7.5" D (45L) 22"H x 14"W x 9"D Weight: (35L) 3 lbs (45L) 3.6 lbs Laptop Compartment 35L: 18.5" H x 12.5" W Laptop Compartment 45L: 19.5"H x 13.5"W External Slant Pocket 35L: 12.5" W x 15" H External Slant Pocket 45L: 13"W x 15.5"H Internal Mesh Pocket 1 35L: 12.5" W x 6" H Internal Mesh Pocket 1 45L: 13.5"W x 6"H Internal Mesh Pocket 2 35L: 13" W x 6.5" H Internal Mesh Pocket 2: 13"W x 5.5"H Internal Cordura Pocket 35L: 12.5" W x 5" H Internal Cordura Pocket 45L: 13"W x 5"H Bottom Molle Webbing 35L: 2" H x 10"W Bottom Molle Webbing 45L: 2"H x 11" Quick Access Pocket (35L): 9" L x 5.75" W x 6" D