Thule Subterra Convertible Carry-On 40L Color:Dark Slate The SI Core Tee is

The SI Core Tee is a soft poly/cotton material with plenty of stretch

bonus replacement lenses and more

Poler woven label

A lower-density EPS is used in the lower sections of the helmet

Thule Subterra Convertible Carry-On 40L Color:Dark Slate The SI Core Tee isThule Subterra Convertible Carry on is a must have for your travels, combining sleek design with adaptable features like the removable laptop attach and fold flat divider panel. Multiple carry options Carry the bag as a backpack with the stowable backpack straps, or as a duffel with shoulder strap Removable laptop attach Removable laptop attach including shoulder strap can be used as a sleeve, briefcase, or shoulder bag and protects your 16" laptop,