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Our new Proof GridFleece Half-Zip was meticulously engineered for cold-weather performance. This thermoregulating midlayer can be worn on its own or paired with a shell for extra protection from inclement conditions. It’s cut from breathable stretch fleece with a grid-textured face that traps in heat while pushing moisture away from the body. The center-front half-zip provides ventilation when internal temps run high, keeping you cool during everything from trail runs to outdoor HIIT workouts. Finished with a secure chest pocket and underarm gussets for better mobility, this fleece pullover was designed by our team behind Proof over countless adventures.
Our new Proof GridFleece Half-Zip was meticulously engineered for cold-weather performance. This thermoregulating midlayer can be worn on its own or paired with a shell for extra protection from inclement conditions. It’s cut from breathable stretch fleece with a grid-textured face that traps in heat while pushing moisture away from the body. The center-front half-zip provides ventilation when internal temps run high, keeping you cool during everything from trail runs to outdoor HIIT workouts. Finished with a secure chest pocket and underarm gussets for better mobility, this fleece pullover was designed by our team behind Proof over countless adventures.