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Our top-selling wireless sport headphones formerly known as Aeropex now come with new packaging, a quick-charge feature, and a new name. OpenRun are our lightest headphones to date and are engineered with outstanding sound, a long-lasting battery, and Quick Charge to keep you aware and motivated whi...
Our top-selling wireless sport headphones formerly known as Aeropex now come with new packaging, a quick-charge feature, and a new name. OpenRun are our lightest headphones to date and are engineered with outstanding sound, a long-lasting battery, and Quick Charge to keep you aware and motivated while you power through any workout.
8th Generation Bone Conduction Technology
Lightweight + Comfortable
Our open-ear design, powered by bone conduction technology, allows for total awareness of surroundings and bud-free, comfortable listening.
Footwear Sizing
For Women's Footwear: B is the standard width. 2A is narrow, D is wide, and 2E is extra wide.
For Men's Footwear: D is standard, B is narrow, 2E is wide, and 4E is extra wide.
Sock Sizing (Based on shoe size)
Balega Womens: Small 6-8, Medium 8.5-10.5, Large 11-13, X-Large `13.5-15.5
Balega Men's: Small 4.5-6.5, Medium 7-9, Large 9.5-11.5, X-Large 12-14
Smartwool Women's: Small 4-6.5, Medium 7-9.5, Large 10-12.5
Smartwool Men's: Small 3.5-5.5, Medium 6-8.5, Large 9-11.5, X-Large 12-14.5
Swiftwick Women's: Small 5-7.5, Medium 8-9.5, Large 10-12, X-Large 12.5-15
Swiftwick Men's: Small 3-5.5, Medium 6-9.5, Large 10-12, X-Large 12.5-15
Saucony Women's: Small 5-7, Medium 7-10, Large 10-13, X-Large 13-15
Saucony Men's: Small 4-6, Medium 6-9, Large 9-12, X-Large 12-14
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