Ultra-Breathable and Lightweight 4-Season Customer FavoriteThe Echo Long Sleeve Tee is built from ultralight bluesign®-approved recycled materials, perfect for everything from fall running and spring ski touring to summer hiking and winter ...
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Most comfortable and lightest base layer I've ever worn! Just got it in time to use it during 0⁰F temp./-17⁰F wind chill winter storm in OK and couldn't be happier. I need five more now in bright colors! Green, yellow, orange, purple etc! So lightweight it'll blow your mind.
