Feetures Elite Light Cushion NST Boulder Blue Size:Large (UK 8-11) More focus

More focus

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For those committed to the adventure and looking to set their own records

That's where the Active-T Flow gets its name

Pair with the CRUX™ reservoir on/off valve (sold separately) for 20% more water flow per sip

Feetures Elite Light Cushion NST Boulder Blue Size:Large (UK 8-11) More focusOur most technically advanced sock. Designed around our patented Targeted Compression for superior comfort and support plus Ultra Light cushioning that takes up minimal room inside the shoe. Patented Sock Lock Technology to provide targeted compression where its needed most. Anatomical design enhances fit, delivering maximum comfort and protection by eliminating blisters. Ultra thin construction takes up minimal room inside the shoe. No Show Tab