Zamberlan Buty Expert Pro GT RR Mountaineering Boot Acid Green Size 40

The Zamberlan Buty Expert Pro GT RR is a high-performance mountaineering boot designed for serious alpine and ice climbing. Crafted with premium Perwanger® Hydrobloc® Suede Leather and a GORE-TEX Insulated Comfort lining, it offers exceptional durability, waterproofing, and warmth in extreme conditions. The boot features a Z-Carbon fiber insole for torsional rigidity, a double density PU wedge midsole with Zamberlan® PCS EVO technology for shock absorption and stability, and a Vibram® Penia outsole for superior grip on ice and rock. With automatic crampon compatibility (B3 rated) and a stiff flexibility, this boot is built for technical terrain. The ZTECH Technical Fit last ensures a precise, comfortable fit. Made in Italy.

Advantages

Superior waterproofing and breathability thanks to GORE-TEX Insulated Comfort lining. Exceptional durability from 3.0-3.2mm thick Perwanger® Hydrobloc® Suede Leather. Lightweight yet rigid carbon fiber insole for efficient energy transfer. Excellent traction and stability with Vibram® Penia outsole and double density PU wedge midsole. Fully automatic crampon compatible for technical ice and mixed climbing.

Suitable for

• High-altitude mountaineering
• Ice climbing
• Mixed climbing
• Technical alpine routes

Key specifications

• Upper: Perwanger® Hydrobloc® Suede Leather (3.0-3.2mm)
• Lining: GORE-TEX Insulated Comfort
• Insole: Z-Carbon fiber 5mm
• Midsole: Double density PU wedge + Zamberlan® PCS EVO
• Outsole: Vibram® Penia
• Crampon Compatibility: Automatic (B3 Rated)
• Last: ZTECH Technical Fit
• Weight (per boot, size 42): 1100g
• Color: Acid Green
• Size (EU): 40
• Waterproofing: Yes
• Insulation: Yes
• Rand: Rubber Rand System (RRS)
• Closure: Laces
• Gender: Unisex
• Country of Manufacture: Italy
• Footbed: Z-Comfort Fit
• Flexibility: Stiff

Recommendations

For optimal performance, pair with compatible automatic crampons and use with gaiters for deep snow. Break in gradually before technical climbs.