The North Face NSE Chukka Boots. The Men’s NSE Chukkas pair the comfort and versatility of a sneaker with the style of your favorite puffy jacket. Featuring recycled P.E.T. ripstop uppers and rugged outsoles, these boots will be your new go-to for cold-weather adventures. Upper: Recycled P.E.T. ripstop upper with lightweight ThermoBall™ Eco insulation for a puffy look and feel. Standard tongue covered in spacer-mesh for plush comfort and ease of entry. Fully adjustable laces for a perfect fit. Flow-through heel cradle for comfort. Durable construction for wearing every day. Canvas rand for lightweight protection. Sole Unit: Outsole-grade molded-EVA midsole. Made with 10% natural rubber, the minimalist Surface CTRL™ rubber outsole has micro-lugs for lightweight traction. Recycled P.E.T. ripstop upper with lightweight ThermoBall™ Eco insulation for a puffy look and feel. Outsole-grade molded-EVA midsole. Imported.