Naked - Running SL Band - Raven V2 Vivobarefoot TONGUE: The tongue material is

TONGUE: The tongue material is a smooth micro- suede that molds the foot and is detailed with perforation to reduce heat

Capacity: 122 c

79% Micro Polyamide

Compatible with any Bluetooth heart rate-enabled device

Naked - Running SL Band - Raven V2 Vivobarefoot TONGUE: The tongue material isA direct descendant of the waist belt that started it all, the lighter and smaller Naked SL Running Band carries everything you need for shorter distances such as 5Ks, 10Ks, half marathons, marathons, shorter triathlons or cranking up your exercise routine to shed some unwanted weight. The perfect gym companion, as well as running to the grocery store hands free, our new Naked SL Running Band packs a powerful lightweight punch. Details: 4 inches in