A mix of classic and modern, London brand YMC (You Must Create) has teamed up with ASICS to create the YMC x Gel Lyte XT 'Grim Blue' sneaker.. Released in October 2018, the mountaineering-style sneaker is crafted from quilted nylon with soft nubuck overlays.. The shoes feature camping-style D-ring eyelets and a printed interior. - Upper covered with soothing shock-absorbing gel lining protected by a durable grooved sole.