ULTRA FORM FIT: The ultra-soft 4-way stretch fabric provides a comfortable compression fit that naturally conforms to your body, allowing for free-flowing movement. Find the size chart below. 4 FUNCTIONAL BENEFITS: 1: Protects your skin from potential infection, 2: scratches, 3: Mat burn, 4: Wicks sweat to move moisture away from your body, keeping you as cool and dry as possible. EXCLUSIVE DYNAMIC DESIGN: Unique fabric shifts color as you move, utilizing an 8-panel construction with flatlock stitching for durable seams and to minimize chafing. TRAINING ACTIVITIES: No-Gi Jiu Jitsu, Gi Jiu Jitsu, Brazilian Jiu Jitsu, MMA, Boxing, Kickboxing, Cross Training Competition Approved (Not IBJJF) CARE INSTRUCTIONS: Machine wash cold, hang to dry. Do not dry clean. Do not bleach, do not iron. Hayabusa Fusion Rash GuardJiu-Jitsu is all about movement. That's why we designed Fusion, an ultra-form fit rash guard that changes as you move. Its specially-made fabric shifts colors when it stretches. Plus, it feels as great as it looks, with a soft, durable material that keeps you dry and prevents mat burns.Fusion Rash Guard Features:Exclusive interwoven fabric creates a dynamic color-shifting effectSilicone waistband locks rash guard in placeUltra-form fit conforms to your body for elite performanceReinforced flatlock stitching provides unmatched durability4-way stretch fabric provides versatile mobilityShields skin from mat burn and potential infection