Brooks Adrenaline GTS 21 Men's Running Shoe - Color: Blackened Pearl - Size: 8 Wide(2E) Get the support you want, with more softness than ever before. The GuideRails® technology complements super soft DNA LOFT cushioning, now extended from heel to forefoot for a buttery smooth ride. Give your run a fresh new look with additional color off erings of the soft and supportive Adrenaline GTS 21. Benefits Include: Smooth transition - DNA LOFT goes beyond the heel, all the way to the forefoot, for a buttery smooth stride. GuideRails® holistic support system They’ve shifted the focus beyond the feet to the most injury-prone part of a runner’s body: the knees. GuideRails® support keeps you moving comfortably by keeping excess movement in check. Soft, secure fit - The new Engineered Air Mesh upper hugs the foot for a secure fit while also improving breathability. Stretch & structure - The 3D Fit Print applies strategic stretch and structure to the upper NWB 2765