Women's Hike Lightweight Performance Boot Sock Colour:Berry References M34A SL M34A BL 086301824002 References M34A SL M34A BL M34A RL Weight 70 g 75 g 75 g Locking system SCREW LOCK BALL LOCK TWIST LOCK Type B B B Color(s) GRAY GRAY GRAY Major axis strength 27 kN 27 kN 27 kN Minor axis strength 8 kN 8 kN 8 kN Open gate strength 7 kN 7 kN 7 kN Gate opening 25 mm 25 mm 25 mm Guarantee 3 years 3 years 3 years Inner Pack Count 1 1 1 Injection molded 100% recycled polypro AirScape framesheet with 50% recycled die cut EVA foam provides a close to body stable fit while offering flexibility and ventilated airflow channels for active use 31% Merino wool 24% Endurofil™ polypropylene