Differential tightness zones offer customized support

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

The perfect top layer for moderate weather days, this tight-fitting half-zip jersey lets you perform without getting in the way. Mesh panels, channel-knitted fabric, and Coolmax-Air fibers provide excellent body-temperature management, enhancing cooling and moisture transport while keeping you warm in colder conditions.

Lightweight, flexible channel-knitted fabric that traps air to provide warmth
Mesh inserts at armpits for enhanced ventilation where its needed the most
Coolmax-Air fibers provide improved cooling and moisture transport
Flatlock seams that follow body movements
Slim fit
SEAQUAL polyester produced from recycled fishing nets


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

Hybrid insulation traps warmth while shedding excess heat