The Aeros™ Inflatable Backpacking Pillow Has Changed The Way Thousands Of People Sleep In The Backcountry Or While Traveling. Luxurious, Lightweight And Compact, It Features A Super Soft Brushed 50d Polyester Knit Exterior And A Silent, Contoured Tpu Air Bladder For Support And Comfort.- We Have Updated The Bestselling Aeros™ Premium Pillow For 2019 To Add Compatibility With Our Unique Pillow Lock™ System.Features:- Inflate Pillow In Just A Couple Of Breaths And Fine-Tune Easily With The Multi-Functional Valve- Brushed 50d Polyester Knit Is Very Soft And Comfortable- Curved Internal Baffles Create Contours That Cradle Your Head- Scalloped Bottom Edge Centers Pillow Around Your Shoulders Whether You Are Sleeping On Your Back, Side Or Upright In A Chair- Synthetic Fill Between Contact Surface And Tpu Bladder Increases Airflow For Additional ComfortSpecifications:- Best Use: Sleeping Well- Comes With: Ultra-Sil Stuff Sack- Fabric: 50d Pillow Lock™ Compatible Polyester Fabric- Dimensions: 16.5 X 11.8 X 5.1 In / 41.91 X 29.97 X 12.95 Cm- Packed Size: 3.1 X 4.1 In / 8 X 10.5 Cm- Weight: 4 Oz / 114gTechnology:Pillow Lock™ System:- The Pillow Lock™ System Comprises Of Self-Adhesive Hook-And-Loop Patches Which Are Supplied With All Sea To Summit Sleeping Mats (As Of Spring 2019),- Attached To Your Sleeping Mat, These Patches Secure Your Pillow And Prevent It Slipping – Yet They Will Not Snag On Clothing Or Other Lightweight Fabrics.- All Sea To Summit Pillows (As Of Spring 2019) Are Compatible With This System. Existing Pillows Can Be Made Pillow Lock™ Compatible By Adding An Aeros Pillow Case.