The Strassburg Sock Size:Regular *Some exclusions apply

*Some exclusions apply

The OOahh Slide features revolutionary OOfoam™ technology that absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your feet and joints

or as a back-up battery

The Liner Glove will let your hands stay warm while still being able to click

and your exact electrolyte needs will be based on your bodyweight

The Strassburg Sock Size:Regular *Some exclusions applyThe Strassburg Sock REGULAR SIZE (Fits calf size up to 16 inches) (Measure AROUND calf at the widest point.) The Strassburg Sock LARGE SIZE (Fits calf size 16 to 21 inches) (Measure AROUND calf at the widest point.)