Vivobarefoot - Primus Trail III All Weather FG - Obsidian - Men's Size:EU45 / UK 11 / US 12 40% stronger than Kevlar and

40% stronger than Kevlar and twice the strength of carbon fiber

Hydration pack love: Dissolves on contact and cleans up with a quick rinse

its DIY sandal kit

COROS' latest generation multi-channel optical sensor provides high signal quality

Vivobarefoot - Primus Trail III All Weather FG - Obsidian - Men's Size:EU45 / UK 11 / US 12 40% stronger than Kevlar andThe Primus Trail III All Weather Firm Ground is a water resistant evolution of the Primus Trail FG: Vivobarefoot's original, best selling trail running sneaker. Similarly light, durable and flexible for varied hardpack trail adventures all with recycled, animal free, high performance materials the Primus Trail III AW FG features water resistant materials for trail runs and hikes in wetter, cooler climes. FIRM GROUND OUTSOLE Stand firm on multiple