Gregory  Baltoro 100 Pro Pack - Men's

Color: Lava Black
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Built with a dynamic, reinforced hipbelt to support heavy loads, the Gregory Baltoro 100 Pro pack is built for extended, self-supported trips. Its AirCushion mesh backpanel keeps you cool and fresh.

Location Image of color Lava BlackLocation Image of color Lava BlackLocation Image of color Lava Black
Location Image of color Lava Black


  • FreeFloat A3 dynamic carry system allows the hipbelt, shoulder harness and lower back panel to adapt and conform to your body's unique shape
  • Patented FreeFloat hipbelt system and auto-rotating shoulder straps move and flex with your body's natural walking movements, delivering unrivaled comfort
  • 3 adjustable torso sizes with overlapping fit ranges allow you to size up or down to best suit your body shape; hipbelt padding is also fully adjustable for all-day comfort
  • AirCushion back panel is made from a proprietary 3D mesh that's over 90% open air, providing true on-the-back breathability, eliminating pressure points and wicking moisture
  • 3D shoulder harness and hipbelt construction eliminates wrinkling and hot spots to provide body-hugging comfort
  • All suspension components are treated with Polygiene® Stays Fresh Technology, an odor-control fabric treatment that inhibits the growth of odor-causing bacteria
  • Auto-rotating, dual-density shoulder harness with sternum strap featuring integrated safety whistle and hydration clip
  • ComfortGrip lumbar pad helps prevent pack slip and keeps the pack positioned high on your hips without the need to overtighten the hipbelt
  • Perimeter alloy frame and fiberglass anti-barreling cross-stay for stable load management
  • Reengineered support architecture uses 50% less plastic than the previous generation of this pack
  • Shell and lining fabrics are made with up to 45% recycled materials to help minimize the pack's carbon footprint
  • All pack fabrics are treated with a PFC-free durable water repellent (DWR)
  • Front U-zip access to main body of pack
  • Dual front zippered pockets with floating divider wall
  • Sunglass QuickStow system on shoulder harness provides quick, secure and scratch-free access to your shades
  • Internal hydration sleeve with SpeedClip hydration hanger is compatible with a Gregory 3D Hydro Trek reservoir (not included)
  • Floating top pocket has a large zippered compartment, small quick-access pocket, underside zippered pocket, reflective attachment points and a key clip
  • SideWinder bottle holster provides one-handed, on-the-go water bottle access—and it tucks away when not in use
  • Oversize, zippered hipbelt pockets offer enough space to fit cellphones and trail essentials
  • Front oversize stretch-mesh pocket with secure buckle closure
  • Quick-pull drawcord closure and top webbing compression
  • Zippered sleeping bag compartment at bottom with removable divider
  • Adjustable attachment loops and upper shock locks for trekking poles or ice axe
  • Lifetime Guarantee: Gregory guarantees that this product will be free from defects in workmanship and materials for as long as you own it


View the Gregory Baltoro Product LineView all Gregory Backpacking Packs

Technical Specs

Item #203237
Frame Type

Internal Frame

Gear Capacity (L)

S: 95 liters

M: 100 liters

L: 105 liters

Gear Capacity (cu. in.)

S: 5,797 cubic inches

M: 6,102 cubic inches

L: 6,407 cubic inches


S: 5 lbs. 9 oz.

M: 5 lbs. 11.4 oz.

L: 6 lbs. 1.3 oz.

Adjustable Torso Length


Fits Waist/Hips

S: 26-48 inches

M: 28-50 inches

L: 30-52 inches

Number of Stays


Pack Access


Number of Exterior Pockets

9 + main compartment

Best Use


Fits Torso Length (in.)

S: 16-19 inches

M: 17-20 inches

L: 18-21 inches



Frame Material

Alloy steel

Reservoir Compatible


Suspended Mesh Back Panel


Sleeping Bag Compartment


Raincover Included


Hipbelt Pockets



S: 36 x 15 x 14 inches

M: 37 x 15 x 14 inches

L: 38 x 15 x 14 inches




Contains recycled materials

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