Merrell Ascend Glove GTX Running Shoes Microfibre AirMesh Upper - For superior breathability, granting your feet improved comfort through cooled aerated mesh. MotionMesh - Layered mesh upper which offers fantastic breathability with flexibility, for a superb range of motion. GORE-TEX ConnectFit - Delivering a fluid glove like fit, exceptional breathability and waterproof performance. Fused Toe Rubber Bumper - For added protection and durability. Synthetic Leather Sling - Rearfoot sling provides great stability, taking away bulky internal components and leaving you with a stable and secure ride.