Base Layer

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1. HIND P.E. SHORT SLEEVE SHIRT ยป This T’s grid pattern minimizes points of contact on the skin for increased airflow, which helps keep you cool. And on long runs, the extra-stretchy underarm panels don’t chafe. $38; hind.com womens running…

Strange but true: It feels good to run all day. Prep yourself with this go-far gear.

Sustainability meets performance in these eco-friendly products

Recycled, salvaged, and renewable gear that doesn't sacrifice performance

My husband and I are taking a cruise from Vancouver to Alaska in May and then driving from Jasper through Glacier National Park, Yellowstone, and the Colorado Rockies. Being Aussies from the subtropics, we would welcome your suggestions about what outerwear we’ll need and where to buy it in Vancouver. Margaret Brisbane, Australia

What's to love in 2006? How about 100 of the most newsworthy athletes, products, gadgets, bold ideas, and badass feats? From Lance's remarkable retirement (you try raising $500,000 for charity in one night) to a cell phone that logs your training run (and tells you where to turn) to a 33-item gift guide (check out Oakley's Bluetooth shades), here ar

This one will really test your knowledge! I do a lot of sports in cold weather, and all the sports bras I've tried get wet and don’t dry. I've even spent the big bucks on Patagonia Capilene. Can you suggest a bra that provides minor support and dries readily? And, out of curiosity, if my Capilene underwear keeps dry, why doesn't my Capilene bra? Killaine Vancouver, BC

Which fabric—polypropylene, Capilene, or merino wool—works better for layering, considering warmth, weight, and price? Bill Spreckels, California

I just moved to New England from Scotland, where the lack of defined seasons and nearly constant chilly rain make three-season gear essential. Should I shop similarly here or aim for two entire get-ups, one for lightweight summer trekking and one for colder months? Callum Boston, Massachusetts

I’ve always made do with cotton briefs when hiking, but I’m tired of the chafe factor and that ensuing wide-legged walk. I’m planning a trip into Montana’s Absaroka-Beartooth Wilderness and need your recommendation for irritation-free hiking (especially since the well-known brands go for $25 a pair). Suggestions? Brian Billings, Montana

Layering gets smart with cutting-edge fabrics and designs that let you do more with less

How can I stop wetting the bed? Seriously, I fall asleep and start sweating like a nun at a strip club. Going on the theory that no clothes equals warmer, I've tried wearing a thin layer. Going on the theory that layers equal warmth, I've tried sleeping sans skivvies. I don't want to end up soaking the down of my new sleeping bag. Jay Poughkeepsie, New York

I’ve been hearing a lot about merino wool base layers, such as Icebreaker. What are your thoughts on this fabric? Is it a suitable alternative to synthetic fleece layers for a mountain climb such as Kilimanjaro? Iain Solihull, UK

I have worn Patagonia Silkweight underwear for years, but I’m still not sold on “evaporative cooling.” And this summer I’ll be backpacking in the Middle East, where temperatures are frequently 100-plus degrees in the shade. Can anything really keep my nether regions as cool as cotton? Michael Alexandria, Virginia

Get the most out of long summer days with featherweight performance gear for running, riding, climbing, and hiking

With thin weaves and ultrafine fibers, merino beats the summer heat

I totally confused by the number, types, prices, and brands of performance T-shirts. I simply want a shirt that is comfortable in warm-hot weather and will stay comfortable when I sweat. Can you help? David Tpa, Florida

My back always gets wet then cold when I skiing, snowshoeing, or doing other activities that get my heart pumping. Is there any clothing that will take away the moisture? Bari Edmonton, Alberta

I hope this question qualifies as a gear question. My boyfriend and I always argue about whether or not I should wear less before running, skate-skiing, or mountain-biking, or if I should be warm at the beginning and take off layers as I warm up. I absolutely hate starting out cold, so would much rather layer up, get warm, and take things off as necessary. He thinks I weigh myself down and less efficient since I'll be warming up in a few minutes anyway. It takes me much longer to get sweaty than it does him! So which approach is better? P Arvada, Colorado

What are the advantages of wool versus synthetic base layers? I going on an 80-day NOLS mountaineering/sea-kayaking expedition in Patagonia, so my base layers are going to get a lot of consecutive use. What is the best option: wool or synthetic? Wool doesn't stink like synthetics, but does it wick as well? What would you go with? Kirby Austin, Texas

I have a wicking shirt that's several years old that smells like sweat even after being freshly washed. Is there anything to get the body odor out of quick-drying fabrics? Melissa Minneapolis, Minnesota

I climbing Mount Kilimanjaro in August. I have been skiing before but never in sub-zero conditions. Will two layers of long underwear under two layers of fleece and a waterproof, windproof shell jacket be enough to handle the cold at over 19,000 feet? Or do I really need to get down or something like it? Steve Moorpark, California

After a number of successful three- to four-day hikes, I have recently been extending my trips up to a week. I have found that during extended warm periods (over 95 degrees F) I sometimes develop a bit of chaffing in the groin region—ouch! What is the best clothing (both base and outer layers) to prevent this? Tim Melbourne, Australia

For the U.S. military, there are no priorities higher than troop readiness and efficiency of field medical treatment. A remarkable new tool for improving both could be new combat T-shirts that allow commanders and medics to assess soldiers’ fit-to-fight status and perform rapid triage miles from the fray. The lightweight,…

I learned most of my wilderness know-how from experienced paddlers, who taught me that you should always have a set of dry clothes set aside for sleeping. Now, I'm branching out into hiking and wondering if that advice still holds true, or if I can shave a few ounces off my poor back and knees (and save a few bucks, to boot) by wearing the se polar fleece day and night. What do you think? Catherine Montreal, Quebec