Timberland Park Chukka Boots Mens. These Mens Timberland Winsor Park Mid Lace Boots in black are crafted with waterproof Premium Timberland® Leather. They feature a lace-up style and GORE-TEX bootie construction. The GreenStrideTM midsole is made using an EVA blend including at least 65% biobased materials derived from sugar cane and responsibly grown rubber. The boots also have an EVA footbed and a ReBOTLTM fabric lining containing 50% recycled PET plastic. The outsole is rubber. Reference: A5Y6W0011.