Description of The North Face NSE Tent Bootie II After a rigorous climb, slip-on the NSE Tent Bootie II and treat your feet to luxurious comfort beneath the 700 fill down insulation. Bring these water-resistant, durable booties along on any cold-weather excursion to kick-around the campfire, or make late night trips to the loo with ease thanks to the highly-durable high-grip outsole. Features: [Bottom] Highly durable nylon mesh base with rubber fine-mold traction lugs [Upper] Water-resistant, durable ripstop nylon upper 700 fill synthetic down insulation Abrasion-resistant rand Heel-pull webbing with snap Internal ankle-securing elastic