MidZero Zap Tight Men's Size:S All natural: Crystal clear with

All natural: Crystal clear with no dyes

When it comes to Smartwool® base layers

adding stability and motion control to limit excess stress on feet

chondroitin sulfate also blocks the activity of enzymes that break down joint material

For anything from trail hikes to training runs

MidZero Zap Tight Men's Size:S All natural: Crystal clear withStay visible in our go to thermal training tights, delivering warmth and breathability with added Zap Tech illumination on cold days. FEATURES MidZero fabric for supportive stretch and comfort panelled with Zap Tech reflectivity for high visibility Comfort elastic waist with a low profile inner drawcord for a secure and comfortable fit One rear zippered pocket for secure storage Lined crotch gusset for comfort Fabric: MidZero (87% Polyester 13%