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Built for elite performance
Meet the BFG collection
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The marathon's mission of support to Nationwide Children's Hospital is on full display this performance quarter zip
Smartwool Men's Classic All Season Merino Base Layer 1/4 Zip shorts Built for elite performanceSmartwool's popular Classic All Season Merino Base Layer 1 4 Zip is the perfect base layer for warm or cold weather. This top uses All Season weight Merino fabric wrapped around a nylon core to increase durability, while still keeping the 100% soft, Merino wool you love next to skin. Side seams help minimize chafing while wearing a pack and offer a body enhancing fit. This base layer is comfortable, powerful, sustainable, and, frankly, do it all able.