The Spike Ultra crampons are great additions to your winter activities. They are designed to help you hike in the most challenging terrains.

▸ 14 spikes
▸ Designed for challenging terrain and steep ascents
▸ Sturdy cleats frame with aggressive front spikes
▸ Reinforced eyelets
▸ Chain thickness: 2.8 mm
▸ Spike length: 13-16 mm
▸ Thermoplastic rubber (TPR) band, 304 stainless steel twisted welded chains and 420J2 stainless steel spikes
▸ Weight/pair: S: 368 g / M: 399 g / L: 434 g
▸ Carrying pouch included

Men

▸ S: boots: 4 – 7 / shoes: 5 – 8
▸ M: boots: 7 – 10 / shoes: 7.5 – 11
▸ L: boots: 10 – 13 / shoes: 10.5 – 14

Women

▸ S: boots: 5 – 8 / shoes: 6 – 9
▸ M: boots: 8 – 11 / shoes: 8.5 – 12
▸ L: boots: 11 / shoes: 11.5