TFC X Tru Flask - Sip Lid Waterproof They’re not just waterproof –

They’re not just waterproof – they’re so lightweight and breathable that you might forget to take them off

while the Pro5 puncture-resistant layer adds durable protection without sacrificing barefoot sensation

Waterproof and planet positive

The Gen 3 design features a 4mm wider toe box than previous versions

grippier and comfier

TFC X Tru Flask - Sip Lid Waterproof They’re not just waterproof –Tru Flask Insulated Sip lid is arguably the best lid available for those who live an active lifestyle. The Sip Lid boasts a convenient handle and turn to seal cap and spout. Product Benefits Perfect for sports, outdoors, or day to day usage.