DESIGN & DETAILS: 3" thickness with a 4.3 R-Value that provides ample warmth throughout the winter months The sleeping pad utilizes Delta Core-V technology that removed 40% of the foam to reduce weight while still keeping body contact areas warmer and offering ideal support Abrasion resistant 75D polyester shell fabric and extrusion laminated TPU Flip-over multi-function valve lets you easily inflate and deflate, while also fine-tuning the air pressure PillowLock system prevents your Sea to Summit pillow from shifting in the night Includes a handy repair kit to fix punctures in the field We guarantee our products against defects in materials or workmanship for the lifetime of the product.