M&S' durable boys' trousers are designed to see them through the school year with ease. Cut in a classic regular fit, with a skinny leg design for a modern look. Two in a pack. Each pair features a stain and weatherproof finish for added durability. Crease-resistant fabric makes busy mornings a little easier. Adjustable waist and grow-proof hems that can be unpicked for an extra 3cm in length. Made with recycled polyester and sustainable viscose.- Stain & Weatherproof: a durable finish that repels water and stains,Crease-resistant technology,Hem can be unpicked and let down a further 3cm to allow for growth. An adjustable waist promises extra comfort- Long- Elastic back waistband and mock fastening for 2-6 years Elastic back waistband with zip and hook and bar fastening for- 6-10 years Flat waistband with zip and hook and bar fastening for-10-11+- Stain & weatherproof: a durable finish that repels water and stains,M&S' crease resistant technology stops clothes from creasing during wear, and ensures creases fall out more easily65% polyester, 35% viscose (exclusive of trimmings),Pocketing (pocket fabric composition) - 100% polyester