These are part of the school sports uniform and are the schools chosen trackpant. 

An ultra-lightweight construction provides all-day comfort, while leg zippers make stripping them off before a game as easy as pie. Whether you're training, keeping warm pre-game or lazing around the house, these trackies are an absolute must-have!

Features:

• Colour: Ink
• Lightweight sports-ready construction
• Elasticated waistband with internal drawcord
• Zippers down legs for easy on/off over shoes
• Dual side seam pockets with zip closure
• Elastic ankle cuffs 
• Subtle embroidered Gilbert branding at right leg
• Materials:
  • Shell: 100% polyester
  • Lining: 65% polyester, 35% cotton
• Machine washable