Thermarest NeoAir XTherm NXT sleep system these work well for all

these work well for all types of indoor and outdoor climbing

the 8L Expedition

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Thermarest NeoAir XTherm NXT sleep system these work well for allWith the best warmth to weight ratio of any sleeping pad ever created, the XTherm NXT is the top choice for alpinists, backpackers and ultralight travelers chasing cold weather pursuits. Warmest Air Pad in its Class: Triangular Core Matrix construction and ThermaCapture technology deliver a 73 R value, while minimizing weight and bulk Ultralight: 155 oz (440 g) means warmth without the weight typically needed to stay warm in frigid conditions Premium