The Crispi Summit II GTX boot checks all the boxes for every major need while hunting, trekking or backpacking. This non-insulated, lightweight and highly breathable boot. The Summit ll utilizes a combination of high quality suede leather and an advanced synthetic material called PUtek which consists of a nylon base woven with threads of polyurethane. This high-resistance fabric is lined with a full surround GORE-TEX Performance bootie to ensure maximum waterproof and breathability. These two materials help create a boot that is highly breathable, fully waterproof and incredibly resistant to punctures. New boots no box