Stone Island Knit Mock Neck Jumper Blue Steel is crafted from Vanisé full-rib RWS wool, this jumper delivers premium warmth and rich texture with refined minimalism. The mock-neck design and deep rib knit give structure and subtle definition, while the soft hand-feel and regular fit make it a versatile layering piece. Sleek and understated, it balances heritage craftsmanship with modern wearability.