EUC Women’s Size 6B Hoka ATR GTX 6 Regular width Only worn a few times.. open to any offers! The sixth edition of the Hoka One One Challenger ATR lace-up trainers are part of an award-winning family known for making quick work of technical terrain. The Challenger ATR 6 GTX gives a comfortable ride with a more accommodating fit, grippy on the uphill and secure on the downhill. Breathable mesh upper with seamless synthetic overlays. Breathable textile lining for abrasion-free wear. Removable, foam padded insole for cushioning and support. Durable full-length EVA midsole to absorb shock and offer stability. Durable sole with rubber inserts for grip.