The Thermarest NeoAir XTherm NXT in Regular Wide size is the ultimate four-season sleeping pad for mountaineers, alpinists, and cold-weather backpackers. Offering the best warmth-to-weight ratio of any sleeping pad ever made, this pad delivers serious insulation without the bulk—ideal for sleeping on snow or frozen ground. At just 553 grams, it packs a 7.3 R-value, ensuring reliable warmth in the harshest environments.

Thanks to Thermarest’s Triangular Core Matrix™ construction and proprietary ThermaCapture™ technology, the XTherm NXT retains radiant body heat while maintaining a stable, supportive structure. The 3-inch thickness, combined with horizontal baffles, provides premium comfort without compromising packability. Its rugged 70D nylon base stands up to repeated expedition use, and the WingLock™ valve system makes inflation and deflation fast and glove-friendly.

Key Features:

• 7.3 R-value for reliable warmth in extreme cold
• Triangular Core Matrix™ for stability and heat retention
• ThermaCapture™ reflective layer radiates body heat
• 3-inch (7.6 cm) thick with horizontal baffles for superior comfort
• Ultralight at 553 g (Regular Wide size)
• WingLock™ valve for fast, glove-friendly inflation and deflation
• Durable 70D bottom and lightweight 30D ripstop top
• Includes pump sack, stuff sack, and field repair kit
• Backed by Thermarest’s Limited Lifetime Warranty

Product Code: 14016