Best Warmth-to-Weight Ratio Ever:Refinedconstruction andtechnology deliver a cold-conquering 7.3 R-Value while a Regular size weighs just 15.5 oz (440 g).
Premium Comfort:A 3-inch (7.6 cm) thick profile and horizontal baffled structure delivers premium backcountry comfort while keeping the weight to a minimum.
Ultralight Durability:70D nylon on the bottom withstands the wear and tear of extended expedition use, while 30D ripstop nylon on top keeps it light and packable.
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—even with gloves on.