Description of ThermaRest Prolite 3 - Women's All the benefits of the ProLite 3™, with added warmth for women. Engineered for 3-season backpacking, mountaineering, bike camping, and boat touring. Features: Extra-Warm: Added insulation in the feet and torso. Specially Sized: Shorter to better fit women’s bodies. Ultralight and Compact: Our easiest mattresses to carry. Weight - 1lb. 4oz. (540g) Rolled Size - 11x4.1in. (28x10cm) R-Value - 3.0 Thickness - 1.0 in. (2.5 cm)