A repeating pattern of dark, glitch-effect training vests with visible text 'FORGE Training' and horizontal scanlines.

1. Product Overview Product Name FORGE Training Vest 25kg Concept High-load training vest for experienced athletes. Designed to maintain stability during running and dynamic movement. Total Weight 25kg ±3% Weight Configuration 5kg iron plates × 5 pcs (User-removable: NO) ⸻ 2. Intended Use • Running (short distance) • Walking / stair climbing • Bodyweight training (squat, lunge, burpee) Target User: Experienced trainees only Comfort Priority: Low Stability Priority: Highest ⸻ 3. Weight Plate Specification Plate Details • Material: Cast iron • Weight: 5kg each • Shape: Thin rectangular • Edge: Rounded (R processing required) • Surface: Anti-rust coating Plate Layout • Back panel: 3 plates (15kg) • Front panel: 2 plates (10kg) • Weight balance: Slightly rear-biased ⸻ 4. Revised Fixing & Structure (構造修正案) 4.1 Internal Chassis System • Weight plates must NOT be attached directly to fabric. • Plates are bolted onto an internal Semi-Rigid PE Board. • PE board is full-length, covering: • Entire back panel • Entire front panel • Internal chassis must: • Maintain vest shape under 25kg load • Prevent any plate movement or rotation • Act as a load-bearing structure Purpose: Structural rigidity and zero-shift performance during running. ⸻ 4.2 Bolt Fixing & Protection • Plates are fixed to PE board using metal bolts. • Bolt heads on the body side must be: • Fully covered with foam padding and fabric • No direct contact with user’s body • No sharp edges or pressure points permitted. ⸻ 5. Ver mais