Men's Active Extreme X Base Layer - Moisture Wicking Thermal Underwear for Running, Hiking & Cold Weather Workouts

Voted ''Best Synthetic Baselayer'  by Runner's World Magazine.

A proven favorite among endurance athletes, this long-sleeve baselayer jersey is designed for racing and high-intensity workouts in mild to cold winter conditions. It combines lightweight SEAQUAL™ polyester, Coolmax® Air Technology and recycled polyester to provide exceptional body-temperature management during high-intensity activities.

•        SEAQUAL polyester produced from recycled fishing nets
•        Polyester fibers with a unique propeller-shaped cross-section
•        Great stretch and ergonomic fit to ensure optimal freedom of movement
•        Waffle-knitted design for enhanced moisture transport and comfort
•        Mesh inserts at armpits for enhanced ventilation
•        Flatlock seams that follow body movements
•        Slim fit
•        Made of 100% recycled marine plastics
•        Rated for temperatures from -5ºC to +10ºC, 23°F to 50°F


SIZE: S-XXL
FABRIC: 40% Polyester SeaQual 39% Polyester "Coolmax" 21% Polyester-recycled