Spyder Opus Back Cap O-Ring ORG027 (15674).

New version of Planet Eclipse backpack, now with Xpander section, that will easily allows you to increase capacity from 39L to 59L.

Features:
Pack away Xpander zone increases bag capacity by 50%
Padded lumbar support, Improves airflow and comfort
Padded ergonomic shoulder straps
Tough, light EVA protective lid
MOLLE webbing loadout system
Internal padded tablet device/laptop pocket>
2 main compartments
2 quick access side zip pockets
Cell/Mobile phone pocket
Rear harness straps to secure smaller loads or connect your compatible GX Marker Pack
Adjustable chest strap

Specifications:
Dimensions 300mm (11.8”) x 500(+250)mm (19.7-29/5”) x 260mm (10.2”)
Capacity 39L > 59L approx
Weight 1.46KG/3.2lb

Materials
19% Nylon
70% Polyester
2% EVA
7% EPE
2% Metal

Care Instructions:
Hand wash only.