The Patagonia Men’s Capilene 1 SW T-Shirt is a lightweight running t-shirt for warm to hot conditions. Tramping along quickly on the hot summer trail requires moisture management and 50+ UPF sun protection and the Capilene 1 has both of those covered. SW stands for silkweight, not only because of the smooth silky feel of the fabric, but also because it’s really light. Polygene permanent odor control keeps the smelly from sticking around.
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