Made with 100% organic cotton, this mid-weight unisex tee boasts a soft handfeel and trusted Mammut quality. The print features the Barryvox S2, our latest, award-winning avalanche transceiver and its iconic arrows that guide you in the right direction – or in this case, your heart. The Massone T-shirt Barryvox is a must-have style for anyone and everyone in the outdoor community.