Flat construction, no buckle. Two diagonal straps with silicone grip to store other equipment, such as a jacket or poles. Various stretch pockets. Reflective marking. 4-way stretch material. PFC-free. Dimensions: 38 x 11.5 x 1 cm. WEIGHT: 62 g. Size guide. Size / hip circumference (in cm): XS: 64 - 72 cm, S: 72 - 80 cm, M: 80 - 88 cm, L: 88 - 96 cm, XL: 96 - 105 cm.