Kestrel Armor (Long War)
The Kestrel suit combines lightweight body armor with an integrated grappling hook for scaling objects in the field.
Mobility, mobility, mobility. The Grapple feature allows soldiers to scale structures and reach positions that were previously impossible in the campaign. This allows the soldier to gain bonuses from height or reach meld canisters in difficult locations (rooftops and UFOs especially). Keep in mind that using it will consume one of your actions that turn, so plan accordingly.