Where to Buy

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Retailers' Descriptions

Here's what other sites are saying:

Your kid plays hard, and he probably gets sweatythe Marmot Boys' Cosmic Short-Sleeve T-Shirt helps manage moisture while giving him the flexibility he needs to move. This performance shirt gives him the look of a laid-back shirt without the sweaty sogginess that comes when he plays a lunchtime basketball game in a cotton T-shirt.

- Backcountry.com

When you're bouldering you want the kind of no-nonsense performance tee that lets you have complete freedom of movement; stretch your limits in the Cosmic Tee. The stretch polyester blend fabric is moisture wicking and drying with light UV protection. A comfortable tag-free neckline makes this crew scratch free. Lightweight, Breathable, Stretch Performance Knit Fabric. Ultraviolet Protection Factor (UPF) 20. Quick-Drying and Wicking. Stretch for Increased Mobility. Crew Neck. Tag-Free Neckline. Materials: 95% Polyester, 5% Elastane Jersey 4.1 oz/yd. Weight: 3.2 oz (90.7g).

- Rocky Mountain Trail

Your kids love the outdoors. Marmot's Cosmic Tee provides the quick drying, moisture wicking performance that they need with a cool logo that they will love to wear. Tagless neckline gets rid of irritation.

- Mountain Gear

It will be difficult to keep your boy from heading out to space in the Marmot Cosmic T-Shirt. Lightweight fabric with sun protection and a touch of stretch make it possible for anything to happen. Polyester fabric with elastane wicks away moisture and dries quickly, perfect for backpacking through the woods or exploring a new city. Sun protection of UPF 20 provides guards against too much UV exposure. Tag free neckline improves comfort for wearing day after day.

- REI