Keep your tackle safe on the pitch or by the pool with the Optimum Union Jack Tackle Trunks. A bold Union Jack design and a comfortable, secure fit make them ready for training and matchday alike. A stretch fabric blend and drawstring waist keep you protected without holding you back. BOLD UNION JACK DESIGN: Show your colours. A striking Union Jack print, perfect for training sessions, PE lessons or a day at the pool. DRAWSTRING WAIST: Dial in your fit. An adjustable drawstring closure gives a secure, comfortable fit that stays put through tackles and sprints. FREEDOM OF MOVEMENT: Move with you. A stretch-friendly cut means you're never restricted when running, jumping or diving in. DURABLE STRETCH FABRIC: Built to last. Made from an 85% polyester, 15% elastane blend that holds its shape wash after wash while staying quick-drying. Available in waist sizes from 24 to 40 inch. What sizes are available? They come in waist sizes from 24 inch through to 40 inch, so there's a fit for junior and senior players alike.