It stuffs down to a size smaller than a baseball. Its manufacturer, Sea to Summit Inc. of Perth, Australia, suggests using it as a keychain. But unpack the Ultra-Sil Day Pack and its crinkly ...

Way back when, in 1983—before the Everest expedition and the winter traverse across the Himalaya, before the Sea to Summit company and the team of designers and the dozens of awards—Roland Tyson was ...

This Sea to Summit backpack is designed to carry and protect your gear in wet and wild conditions. We throw it in the deep end to see how it performs. When it comes to a day in the outdoors where you ...

When I wrote about my hiking and backpacking essentials last summer, one of the first things I put on my list was a dry bag — a waterproof, airtight sack that keeps your belongings from getting wet.

Sea to Summit’s new four-season sleep system is aimed at keeping adventurers warm and toasty in chilly conditions. We check it out. I’ve got to be real with you. I’ve frozen my toes on a frozen ocean ...