Casey Butler relies on this field-tested bear hunting system on his own hunts, pairing the XKG Foundation 260 Zip Off Merino Bottom, XKG Foundation 150 Merino Hoodie, XKG Arco Pant, and XKG Covert Hoodie and XKG Down Transition Jacket for breathable layering, quiet movement, lightweight warmth and all-day comfort in changing spring bear conditions.