Critically Taped - On outerwear with critically taped seams you only have taping at the key points where potential leakage can occur. This is acceptable, or even advantageous if you live in a dry climate, if you're more concerned with breathability than dealing with wet weather then outerwear featuring critically taped seams is the way to go.
Thinsulate - 3M Thinsulate Insulation is constructed from unique, high-loft microfibers for increased warmth with less bulk. 3M Thinsulate is breathable, water-resistant and durable, all while improving mobility.
Sig Fit - Burton's tried-and-true fit—built with room for layering, without being overly baggy.