A fan favorite among backcountry campers, the NeoAir® XLite NXT Sleeping Mat is the most advanced, all-season, ultralight, air camping mat there is. Thermarest pays exceptional attention to detail; every milligram of this mat counts for comfort and ease of use. This mat is Thermarest's latest model revision, which solidifies the legacy of its predecessor with additional warmth and comfort without weight gain. Triangular Core Matrix™ combined with ThermaCapture™ offers the best warmth-to-weight and pack-size ratio of any air sleeping mat construction. This compact mat boasts a 4.5 R-value, for year-round warmth. Furthermore, the high-performance WingLock valve, allows the mat to inflate quickly.

Thermarest's aim is to build once-in-a-lifetime purchases, so confident in their mat's quality and durability Thermarest offers a limited lifetime warranty. 

Features:

• Quiet sleeping mat, improved internal construction reduces noise by 83% compared to the previous model.
• Thicker but not heavier, thick profile delivers premium backcountry comfort while weighing the same as the previous model.
• Warmth, ThermaCapture™ technology and Triangular Core Matrix™ construction radiate body heat and reduce convective heat loss to deliver a 4.5 R-value, good for year-round conditions.
• High-performing & ultra-packable, iIndustry-leading construction and premium low bulk materials allow the XLite NXT to pack down to about the size of a conventional 1L water bottle.
• WingLock™ valve, delivers fast one-way inflation and rapid deflation without giving up the ability to easily purge air while you lay on it for comfort micro-adjustments.
• Pump sack, stuff sack and field repair kit included.

Specifications:

• R-Value: 4.5
• Weight: 0.37 kg      
• Width: 51 cm 
• Length: 183 cm  
• Height: 7.6cm  
• Thickness: 7.6cm 
• Packed dimension: 23 cm x 10 cm 

Materials:

• Nylon, Polyurethane
• Top fabric type: 30D rip HT Nylon
• Bottom fabric type: 30D rip HT Nylon     
• Country of Origin: built of the Finest U.S. and Global Materials, constructed in Ireland