The Lithos SL Harness is Arc’teryx’s pinnacle sport-climbing harness, engineered for redpoint attempts, competition climbing, and high-end performance.
Developed in collaboration with elite climbers like Alannah Yip and Jonathan Siegrist, the Lithos SL sets a new standard for harness durability and sizing under a new structural platform.
Arcteryx Lithos
KEY FEATURES:
- Next-gen Warp Strength Technology™ is thinner, lighter, and more durable.
- New sizing system features six waist sizes with two leg loop options each for a custom fit.
- Continuous leg loops and an ultra-strong belay loop are obsessively designed for durability and freedom of movement.
TECHNICAL DETAILS
- WEIGHT:
- 275g (4A)
- SIZING / FIT
- Unisex: Sizes 1A–6B
- Neutral fit with customizable waist-to-leg-loop ratio
- MATERIALS
- Primary: 56% Nylon, 34% Polyester, 10% Elastane
- Secondary: 100% Nylon
- Fabric: Burly™ Double Weave, 220gsm
- Water repellent
The Lithos SL features a new industry-first sizing system that replaces gender-specific fits with six waist sizes and two leg loop options per size, providing more freedom of choice across a range of body shapes and allowing climbers to dial in a truly personalised fit.
About the Lithos from Arcteryx
