Gregory Optic & Octal Backpacks

• Gregory
• Body material: 100% nylon
• Frame: 7001 aluminum with anti-barreling support
• AeroSpan suspension
• EVAP moisture-wicking, shallow-depth ventilated back panel
• Dual-density FocusForm shoulder harness and hip belts
• Leaf-Spring lumbar pad
• Custom fitted rain cover
• Removable top zippered pocket 
• Weather flap
• Sunglass QuickStow system
• Quick-access water bottle pockets
• Front stretch mesh pocket
• Dual zippered hip-belt pockets
• Dual stretch mesh side pockets
• Dual adjustable attachment loops
• V-Compression system
• Side compression pass-throughs
• Gear attachment loops

Men’s Optic 48

• Small pack capacity: 2,746 cu in (45 L)
• Small pack dimensions: 26 x 12.5 x 10.5 in (66 x 31.7 x 26.6 cm)
• Small pack weight: 2.4 lbs (1 kg)
• Medium pack capacity: 2,929.1 cu in (48 L)
• Medium pack dimensions: 28 x 12.5 x 11.5 in (71.1 x 31.7 x 29.2 cm)
• Medium pack weight: 2.4 lbs (1 kg) 
• Large pack capacity: 3,112.2 cu in (51 L)
• Large pack dimensions: 30 x 12.5 x 12 in (76.2 x 31.7 x 30.5 cm)
• Large pack weight: 2.6 lbs (1.1 kg)

Women’s Octal 45

• Extra-small pack capacity: 2,563 cu in (42 L)
• Extra-small pack dimensions: 24 x 12.5 x 10 in (60.9 x 31.7 x 25.4 cm)
• Extra-small pack weight: 2.3 lbs (1.04 kg)
• Small pack capacity: 2,746 cu in (45 L)
• Small pack dimensions: 26 x 12.5 x 10.5 in (66 x 31.7 x 26.6 cm)
• Small pack weight: 2.4 lbs (1 kg) 
• Medium pack capacity: 2,929 cu in (48 L)
• Medium pack dimensions: 28 x 12.5 x 11.5 in (71.1 x 31.7 x 29.2 cm)
• Medium pack weight: 2.47 lbs (1.12 kg)

Men’s Optic 58

• Small pack capacity: 3,356 cu in (55 L)
• Small pack dimensions: 26 x 12.5 x 11 in (66 x 31.7 x 27.9 cm)
• Small pack weight: 2.4 lbs (1 kg)
• Medium pack capacity: 3,539 cu in (58 L)
• Medium pack dimensions: 28 x 12.5 x 12 in (71.1 x 31.7 x 30.5 cm)
• Medium pack weight: 2.5 lbs (1.1 kg) 
• Large pack capacity: 3,722 cu in (61 L)
• Large pack dimensions: 30 x 12.5 x 12.5 in (76.2 x 31.7 x 31.75 cm)
• Large pack weight: 2.7 lbs (1.2 kg)

Women’s Octal 55

• Extra-small pack capacity: 3,173 cu in (52 L)
• Extra-small pack dimensions: 24 x 12.5 x 10.5 in (60.9 x 31.7 x 26.6 cm)
• Extra-small pack weight: 2.31 lbs (1.04 kg)
• Small pack capacity: 3,356 cu in (55 L)
• Small pack dimensions: 26 x 12.5 x 11 in (66 x 31.7 x 27.9 cm)
• Small pack weight: 2.4 lbs (1 kg) 
• Medium pack capacity: 3,539 cu in (58 L)
• Medium pack dimensions: 28 x 12.5 x 12 in (71.1 x 31.7 x 30.5 cm)
• Medium pack weight: 2.52 lbs (1.14 kg)