Luckily, REI has all the gear required to enjoy the outdoors, and a ton of it is on sale during the company’s 4th of July sale. REI Co-op See ItEven the most active outdoor enthusiasts enjoy a good sit, and this is the most luxurious seat at any campsite. This basic trail helmet weighs well under a pound and features a total of 16 air vents, making it feel almost non-existent as you ride. REI Co-op Trail 40 Pack – Men's — $104 (was $149) It comes in both men’s and women’s sizes. REI Co-op See ItREI Co-op Trail 40 Pack – Women’s $104 (was $149)This is one of the most versatile backpacks on the market, period.