The Phenom SB-150 gloves are top-tier gloves specifically designed for heavy bag training. They feature the Ultra Lock Strap system, which provides firm wrist support and a secure, stable fit even during the most intense sessions. Crafted from premium full-grain leather, the SB-150 gloves offer exceptional durability and long-lasting performance. Inside, a specially engineered multi-layer foam core delivers outstanding joint protection and optimal impact distribution with every punch. Key features: Ergonomic fit for a natural fist position and reduced hand fatigue Ultra Lock Strap – extra secure closure for maximum wrist stabilization Multi-layer protective foam – absorbs impact and protects your knuckles Perforated palm area for enhanced ventilation Moisture-wicking inner lining – keeps your hands dry and comfortable Double stitching at stress points for added durability The SB-150 gloves are the ideal choice for anyone seeking highly durable bag gloves with premium comfort and reliable protection in every strike. Phenom SB-150 – when you demand more from your training. Size table: Size Hand Circumference 12 oz 21 - 21.5 cm 14 oz 22 - 22.5 cm 16 oz 23 - 24 cm