Sea to Summit Ultra-Sil Ultralight Day Pack - 20L Capacity in Atoll Blue for Easy Travel

• 20-liter capacity day pack weighs less than three ounces and packs down to the size of a tennis ball
• Made from durable and water-resistant 30D siliconized Cordura Nylon with reinforced bar-tacks
• Two-way zipper closure, ergonomic shoulder straps and webbing loops for attaching a bike light
• Versatile enough for travel, grocery runs, cycling or peak bagging
• Includes attached stuff sack and handy aluminum carabiner; weight 2.5-ounces

A user-friendly smart thermostat that learns your heating and cooling preferences and can be controlled remotely via smartphone, helping to save energy and reduce utility bills.