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Ken Knapp

REI Editor Emeritus Ken Knapp became a member in 1977 and went on to work for more than 36 years at the co-op. A father of daughters (thriving) and monitor of marmots (threatened), Ken is also a big fan of sustainability and sharing the ball.

Latest Articles

  • Buying Advice

    How to Choose a Sleeping Pad for Camping and Backpacking

    954 reviews with an average rating of 4.4 out of 5 stars

    Learn about the different types of sleeping pads, the importance of a sleep system, how to choose the right insulation for your trip and more.

  • Skills

    Ultralight Backpacking Basics

    787 reviews with an average rating of 4.4 out of 5 stars

    Ultralight backpacking done well can be safe and comfortable. Get tips on lightening up your Big Four items, plus water and food strategies.

  • Buying Advice

    How to Choose a Water Filter or Purifier

    555 reviews with an average rating of 4.4 out of 5 stars

    Learn about backcountry water risks, ways to treat water and factors to consider when choosing a filter, purifier or other treatment method.

  • Buying Advice

    How to Choose Snowshoes

    719 reviews with an average rating of 4.3 out of 5 stars

    Learn which snowshoes are right for you. Our guide covers snowshoe types, sizing, recommended loads, traction and more.

  • Buying Advice

    How to Choose a Bike Helmet

    340 reviews with an average rating of 4.1 out of 5 stars

    These tips make choosing the right bike helmet easy. Includes info about types of helmets, construction, features, sizing and adjustment.

  • Buying Advice

    How to Choose a Hammock

    255 reviews with an average rating of 4.5 out of 5 stars

    Whether you want a hammock for relaxing during the day or to replace your tent while camping, hammocks are a comfortable and popular way to hang out in nature. Learn how to choose the right one for you.

  • Buying Advice

    How to Choose Rainwear

    1460 reviews with an average rating of 4.2 out of 5 stars

    Use this guide to find the best rain jacket for your needs—with REI expert tips on waterproofing, breathability and key features.

  • Buying Advice

    How to Choose Insulated Jackets

    619 reviews with an average rating of 4.2 out of 5 stars

    Can't decide between down or synthetic insulation? Learn to compare the compressibility, warmth and weight of insulated outerwear options.

  • Buying Advice

    How to Choose Binoculars

    7524 reviews with an average rating of 4.4 out of 5 stars

    Numbers on binoculars can be a little confusing; this article explains basic specs, why prices differ so much and how to choose based on your end use.

  • Buying Advice

    How to Choose a Bike Computer

    178 reviews with an average rating of 4.0 out of 5 stars

    Our bike computer guide helps you sort through options from a basic speed-and-distance unit up to a data-rich, phone-synced GPS model.