W Shellista V Mid Wp Size:9.5 giving you real-time data to

giving you real-time data to optimize your training

Eliminate fatigue

Merino Wool is at home on the trail

The lens is interchangeable

It's the tuning tool you never knew you couldn't live without

W Shellista V Mid Wp Size:9.5 giving you real-time data toA modern redesign of our timeless winter boot, the waterproof and insulated Shellista V Mid Boots features comfortable and sophisticated details that will help keep you going in winter conditions. Our waterproof footwear incorporates a variety of advanced waterproofing materials, treatments, and processes. To help keep feet dry, we use internal waterproof membranes and or adhesive and seam seal constructions.