L.L.Bean Power Dry Stretch Base Layer, Lightweight Quarter-Zip - Men's

Retailers' Descriptions

Here's what other sites are saying:

Now even better - a redesigned fabric offers more stretch and better recovery - for the best synthetic moisture-wicking fabric we've found for cool-weather activities. Antimicrobial Polartec Power Dry 96% polyester/4% spandex. Machine wash and dry. Soft double-plated interior efficiently pulls dampness away from your body. Pill-resistant exterior quickly disperses moisture so you stay dry. Lightweight fabric is ideal for moderate cold or more vigorous aerobic activities. Flatlock seams give you a smooth fit. Thumb loops keep sleeves down. Imported.

- L.L.Bean