Mountainsmith Day 13 Liter Lumber Pack

One of the industry’s first lumbar packs, the Day is known for its function-first design. After 40+ years in Mountainsmith’s® line, they’ve revamped this classic built with Delta Wing Compression and added more functionality for efficient storage on and off trail.

• Tuck-away waistbelt with forward pull adjustment webbing
• Front stash pocket with elastic cord compression
• Interior foam padded sleeve for tablet carry
• Smartphone compatible waistbelt pockets (fits plus sized phones)
• FreeFlow ridged EVA backpanel padding
• Backpanel stash pocket ideal for securing passport, boarding pass, etc.
• Delta Wing Compression System load adjustment
• Side reinforced bottle pockets (fits up 1 liter bottle)
• Inner Sanctum™ interior zippered compartment for small valuables
• Bright yellow liner promotes visibility
• Zippered front panel pocket with key clip
• Bottom panel compression straps
• Removable 1.5″ shoulder strap
• Headphone port
• YKK® zipper
• Strapette compatible (sold separately)
• Color: Black
• Liner material: 210D nylon
• Waist belt fit: 28-48″
• Dimensions: 13″L x 12″H x 6″D
• Weight capacity: Up to 15 lbs.