Longer distances and winter temperatures require extra room, and the Optic 58 gives you that additional capacity without compromising your ultralight priorities. Proper load management, moisture-wicking ventilation, and intelligent features keep you comfortable and mentally balanced from sea level to the High Sierra, because efficient trail travel involves more than a weight claim.


AEROSPAN SUSPENSION: AeroSpan suspension with EVAP moisture wicking shallow-depth ventilated back panel.

FOCUSFORM COMPONENTS: Ventilated, dual-density FocusForm shoulder harness and extra supportive hip belts with targeted comfort zones.

LEAF-SPRING LUMBAR PAD: Leaf-Spring Lumbar pad for comfortable, energy-saving load transfer.

INTERNAL ALUMINUM FRAME: Ultra-light 7001 aluminum perimeter frame with anti-barreling support.

CUSTOM FITTED RAINCOVER: Included rain cover stows in the top pocket for quick access in unexpected showers.

REMOVABLE LID: Removable top zippered pocket to shed ounces and swap-in included ultra-light weather flap to stay protected (stows in top pocket).

SUNGLASS QUICKSTOW SYSTEM: Sunglass storage system on shoulder harness for quick, secure and scratch-free access to your shades without taking the pack off.

QUICK ACCESS WATER BOTTLE POCKET: On-the-go water bottle stow access on both the right and left sides.

FRONT STRETCH MESH POCKET: Oversized, durable front stretch mesh pocket for quick access organization.

ZIPPER HIP BELT POCKETS: Dual zippered hip belt pockets provide secure, easy to access storage.

STRETCH MESH SIDE POCKETS: Dual stretch mesh side pockets with Large capacity for bottles, camp sandals, trekking poles.

ADJUSTABLE ATTACHMENT LOOPS: Dual adjustable attachment loops and upper shock locks for trekking poles or ice axes.

ULTRALIGHT COMPRESSION STRAPS: V-Compression system on side and bottom of bags.

PASS-THROUGH POCKET: Lower side compression pass-through on side pocket for over/under option.

GEAR LOOPS: Gear attachment points on top pocket and main body.