55% Tactel® Nylon, 23% Polyproplene, 20% Merino Wool, 2% Lycra®
Here's what other sites are saying:
The Swift is a low, lightweight synthetic sock with anatomically mapped, merino wool cushioning to provide the ultimate in heel fit and forefoot comfort during high intensity sports.
An athletic, racer back sleeveless tank, the Swift for women comes complete with a built-in sports bra in a comfortable, stretch nylon that stays cool even when the going gets tough.
- Ramsey Outdoor
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