Climbing shoes Scarpa BOOSTER size 43.5, black/orange, weight 245 g

Scarpa BOOSTER in size 43.5 is a technical climbing shoe with a microfiber upper composed of multiple shaped panels for a precise, comfortable fit. It features a dual Velcro strap closure for easy entry and secure foot lockdown. The shoe integrates the DTS (Differentiated TENSION System) to concentrate force toward the big toe and the PAF heel construction to improve force distribution and reduce pressure on the Achilles tendon. A minimal Flexan midsole insert and full-length support strips enhance sensitivity and support, while a Vibram® XS Grip 2 rubber outsole covers the front third with 3.5 mm thickness for high flexibility and grip. The shoe can be resoled at authorized service centers to extend its life.

Advantages

The microfiber upper with shaped panels provides a snug, comfortable fit while the dual Velcro straps make putting the shoe on and adjusting fit quick and simple. DTS focuses power toward the big toe for better precision and power transfer without compromising fit, and the PAF system reduces Achilles tendon pressure through an innovative heel construction. A thin Flexan insert improves ground sensitivity and the Vibram® XS Grip 2 compound on the sole offers excellent friction and consistent performance across temperatures. The shoe’s design allows professional resoling to prolong usable life.

Suitable for

• Technical indoor bouldering and gym climbing
• Short to moderate outdoor boulder problems on edges and steep features
• Climbs requiring precise toe placement and high sensitivity

When it may not be suitable

This shoe is optimized for performance and sensitivity rather than all-day comfort on long approaches or multi-pitch routes. Climbers who prioritise cushioning or a very relaxed fit for long periods of wear may find the low-profile midsole and aggressive fit less comfortable.

Key specifications

• Main materials: microfiber upper with shaped panels
• Closure: dual Velcro strap system
• Tension systems: DTS (Differentiated TENSION) and PAF heel construction
• Midsole: minimal Flexan insert with full-length support strips
• Sole: Vibram® XS GRIP 2 rubber covering front third, 3.5 mm thickness
• Weight: approximately 245 g (pair unspecified)

How to use

Put the shoe on by loosening both Velcro straps, slide your foot in and fasten the straps to achieve a secure but not painfully tight fit, allowing the DTS system to position force toward the big toe. Use the shoe for technical bouldering and short sport routes where toe precision and sensitivity are important. Have the outsole inspected periodically and consider resoling at an authorized Scarpa resole centre before wear becomes excessive to maintain performance.

What to consider before purchase

• Desired fit: performance-oriented, snug fit with emphasis on sensitivity
• Primary use: bouldering/short technical climbs vs. long crags or approaches
• Resoling availability to extend product lifespan
• Sole compound suitability for the types of holds and temperatures you climb in

Usage recommendations

For best results, choose a fit that allows strong toe engagement without excessive pain, use the dual Velcro straps to fine-tune lockdown, and resole the shoe before the rubber wears through to preserve performance and prolong usable life.